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TEST BANK for Conceptual Integrated Science 2nd Edition by Hewitt Download:: https://downloadlink.org/p/test-bank-for-conceptual-integratedscience-2nd-edition-by-hewitt/ SOLUTIONS MANUAL for Conceptual Integrated Science 2nd Edition by Hewitt Download: https://downloadlink.org/p/solutions-manual-for-conceptualintegrated-science-2nd-edition-by-hewitt/ C on ceptu al In tegrated Science, 2e (Hew itt et al.) Chap ter 2 Desc rib in g Motion Mult ipl e-C hoice Questi ons 1) W hereas A ristot le reli ed on logic in ex plaining nature, Gali leo reli ed on A) observ ati on. B) patt e rns. C ) ex periment. D) mathematics. Answer: C Diff: 1 Objecti ve: 2.1 2) The scientis t t o first i ntroduce the con cept of in ertia was A) Arist otl e. B) G ali leo. C ) Newton. D) C opernicus. Answer: B Diff: 1 Objecti ve: 2.2 3) Gali leo 's int erpr etation of mot ion di ffered f rom Arist otl e's in t ha t Gali leo emphasiz ed A) the ac cele rati on of f re e fall . B) tim e rat es. C ) the role of distanc e in describin g mot ion. D) all of the abov e E) none of the above 1 Co p yr ig ht Š 2 0 1 3 P ea r so n E duca tio n, I nc.


Answer: B Diff: 1 Objecti ve: 2.2 4) W hich has the great er mass? A) a kin g-siz e pil low B) an autom obil e batt er y C ) both about t he same Answer: B Diff: 1 Objecti ve: 2.3

2 Co p yr ig ht Š 2 0 1 3 P ea r so n E duca tio n, I nc.


5) A kil ogr am i s a measu re of an obj ect 's A) wei ght. B) fo rce. C ) mass. D) gravit y. E) cente r of mass. Answer: C Diff: 1 Objecti ve: 2.3 6) Compared with a 1-k g blo ck of solid i ron, a 2 -k g block o f solid i ron has twice as much A) inerti a. B) mass. C ) volume. D) all of the abov e E) none of the above Answer: D Diff: 1 Objecti ve: 2.3 7) Compared with a 1-k g block of sol id i ron, a 2 -k g block o f solid i ron has th e same A) mass. B) volume. C ) weight. D) all of the abov e E) none of the above Answer: E Diff: 1 Objecti ve: 2.3 8) Your wei ght i s A) actuall y your m ass. B) the gr avit ati onal attra cti on between you and the Earth. C ) a propert y o f mechani cal equi li brium. D) all of the abov e E) none of the above Answer: B Diff: 1 Objecti ve: 2.4 3 Co p yr ig ht Š 2 0 1 3 P ea r so n E duca tio n, I nc.


9) One object h as twice a s much mass as another o bject, and also has twic e as much A) inerti a. B) velo cit y. C ) gr avit ati onal ac celer at ion. D) volum e. E) all of the abov e Answer: A Diff: 1 Objecti ve: 2.3 10) Compared with t he mass of a ce rtain obj ect o n Earth, the mass of the s ame object on t he Moon i s A) less. B) more. C ) the same. Answer: C Diff: 1 Objecti ve: 2.3 11) A 1-k g mass at E arth 's surfac e wei gh s about A) 1 N. B) 5 N. C ) 10 N. D) 12 N. E) none of the above Answer: C Diff: 2 Objecti ve: 2.3 12) In which of th e following loc ati ons would a c hunk of gold w ei ghing 1 N have the la r gest mass? A) the Moon B) Ea rth C ) the planet J upit er Answer: A Diff: 3 Objecti ve: 2.3 13) An object w eighs 30 N on Earth. A se cond obj ect wei ghs 30 N on the Moon. W hich has the gr eate r mass? 4 Co p yr ig ht Š 2 0 1 3 P ea r so n E duca tio n, I nc.


A) the one on E arth B) the on e on the Moon C ) The y have the s ame mass. D) not enou gh informati on given Answer: B Di ff: 3 Objecti ve: 2.3

5 Co p yr ig ht Š 2 0 1 3 P ea r so n E duca tio n, I nc.


14) Densit y is t he rati o o f A) wei ght t o volum e. B) mass t o volum e. C ) mass t o weight. D) wei ght t o mass. Answer: B Diff: 1 Objecti ve: 2.3 15) W hen a loaf of b read rises, it s densit y A) incre ases. B) de cre ases. C ) sta ys th e s ame. Answer: B Diff: 1 Objecti ve: 2.3 16) W hich has the great e st densit y? A) 1 k g of f eathers B) 10 k g of feath ers C ) 1 kg of l ead Answer: C Diff: 1 Objecti ve: 2.3 17) An object i s pul led n orthward wit h a forc e of 10 N and sout hward wit h a for c e of 15 N. Th e magnit ude of th e net for c e on the object i s A) 0 N. B) 5 N. C ) 10 N. D) 15 N. E) none of the above Answer: B Diff: 1 Objecti ve: 2.4 18) W hich has z ero acc el erati on? A) an object at rest 6 Co p yr ig ht Š 2 0 1 3 P ea r so n E duca tio n, I nc.


B) an obj ect m oving at c onst ant velocit y C ) an object i n mech anic al equili brium D) all of the abov e E) none of the above Answer: D Diff: 1 Objecti ve: 2.4

7 Co p yr ig ht Š 2 0 1 3 P ea r so n E duca tio n, I nc.


19) W henever the n et for ce on an obje ct i s z ero, its accel erati on A) ma y be z ero. B) is z ero. Answer: B Diff: 1 Objecti ve: 2.4 20) An object i n mech anical equili brium i s an object A) at rest. B) movin g with constant velocit y. C ) having no acc eler ati on. D) all of the abov e Answer: D Diff: 1 Objecti ve: 2.5 21) If a non rotati ng obj ec t has no acc eler ati on, then we can s a y for cert ain that it is A) at rest. B) movin g at constant no nz ero velocit y. C ) in mechanical equil ibrium . D) all of the abov e E) none of the above Answer: C Diff: 2 Objecti ve: 2.5 22) W hen you st and at re st on a pair of bathroom s cales, the r eadin gs on t he scal es will alwa ys A) ea ch be hal f your w eight. B) e ach equal your w eight . C ) add to equal your w eight. Answer: C Diff: 2 Objecti ve: 2.5 23) Han g f rom a pair o f g ym rin gs and the up war d support forces o f the ri ngs will alwa ys A) ea ch be hal f your w eigh t. B) e ach b e equal t o your weight. C ) add up to equal your weight. Answer: C Diff: 2 Objecti ve: 2.5 8 Co p yr ig ht Š 2 0 1 3 P ea r so n E duca tio n, I nc.


24) A man wei ghin g 800 N stands at rest on two b athroom scales so that hi s weight i s di stribut ed evenl y over both sc ales. The re ading on ea ch scal e is A) 200 N. B) 400 N. C ) 800 N. D) 1600 N. E) none of the above Answer: B Diff: 2 Objecti ve: 2.5 25) W hich directi on does a table push a book r esti ng on it ? A) up B) left C ) right D) down Answer: A Diff: 1 Objecti ve: 2.6 26) W hen can an obje ct be in a state of equil i brium? A) when two or mo re fo r ces ar e a cti ng on it B) wh en it is at rest and no for ces are acti n g on it C ) onl y when on e for ce i s acti ng on the obj ect D) when an object i s not movi ng Answer: A Diff: 1 Objecti ve: 2.7 27) The for ce of friction on a sli ding object i s 10 N. The appli ed fo rce n ee ded to m aint ain a const ant velocit y is A) more than 10 N. B) less t han 10 N. C ) 10 N. Answer: C Diff: 1 Objecti ve: 2.8 28) A 300-k g be ar gr asping a v ertical t r ee sli des d own at constant v elocit y. The friction for ce between the tr ee and the bear is Diff: 3 Objecti ve: 2.8 6 Co p yr ig ht Š 2 0 1 3 P ea r so n E duca tio n, I nc.


A) 30 N. B) 300 N. C ) 3000 N. D) more than 3000 N. Answer: C

Diff: 3 Objecti ve: 2.9 6 Co p yr ig ht © 2 0 1 3 P ea r so n E duca tio n, I nc.


29) W here is fricti on mo st evident? A) on the road B) in a cup of co ffe e C ) in the atm osphere D) eve r ywhe re Answer: A Diff: 2 Objecti ve: IS 2 A 30) The two measu remen ts necessar y for c alculati ng av era ge spe ed ar e A) ac cele rati on and ti me. B) velo cit y and ti me. C ) distance and ti me. D) dist ance and ac cele rat ion. E) velocit y and dis tanc e. Answer: C Diff: 1 Objecti ve: 2.9 31) The av era ge speed o f a horse that gall ops a dis tance of 10 km i n a ti me of 30 mi n is A) 10 km/ h. B) 20 km/ h. C ) 30 km/ h. D) more than 30 km/h. Answer: B Diff: 1 Objecti ve: 2.9 32) W hat i s the accele rati on of a ca r that m a int ains a const ant velocit y of 10 0 km/ h for 10 s? A) 0 m/ s 2 B) 10 km/ h/s C ) 10 m/s 2 D) 1000 km/ h/s Answer: A Diff: 1 Objecti ve: 2.9 Diff: 1 Objecti ve: 2.9 7 Co p yr ig ht Š 2 0 1 3 P ea r so n E duca tio n, I nc.


33) As an object fre el y fa ll s, it s A) velocit y incr eases. B) a cc elerati on incr eas es. C ) both of the above D) none of the above Answer: A

Diff: 1 Objecti ve: 2.10 7 Co p yr ig ht Š 2 0 1 3 P ea r so n E duca tio n, I nc.


34) The gain i n speed ea ch second fo r a f reel y fal li ng object i s about A) 0 m/ s. B) 5 m/s. C ) 10 m/s. D) 20 m/ s. E) depends on t he ini ti al speed Answer: C Diff: 1 Objecti ve: 2.9 35) If a fre el y f all in g object wer e som ehow equipped wit h a speedomet er, it s speed readin g would increas e ea ch seco nd b y about A) 5 m/ s. B) 10 m/s. C ) 15 m/s. D) a va riable amount E) depends on i ts i nit ial speed Answer: B Diff: 1 Objecti ve: 2.9 36) If a fre el y fal li n g object wer e som ehow equipped wit h a speedomet er o n a planet whe re the acc elerati on due to gr avit y is 20 m/ s 2, then its s peed readin g wo uld i ncre ase ea ch second b y A) 10 m/ s. B) 20 m/s. C ) 30 m/s. D) 40 m/ s. E) depends on i ts i nit ial speed Answer: B Diff: 1 Objecti ve: 2.9 37) If a fre el y fall in g object wer e som ehow equipped wit h an odometer to measure the dist an ce it travels, t hen the amount of distance it travels each succeedin g s econd woul d be A) const ant. B) less and l ess. C ) gr eate r than the se con d before. Answer: C Diff: 1


Objecti ve: 2.9


38) Ten secon ds afte r sta rting from rest, a f reel y f all ing object on E arth wil l have a spe ed of about A) 10 m/ s. B) 50 m/s. C ) 100 m/ s. D) more than 100 m/s . Answer: C Diff: 1 Objecti ve: 2.9 39) A ca r ac cele rates f ro m rest at 2 m /s 2. W hat i s it s speed 3 s after the ca r starts m oving? A) 2 m/ s B) 3 m/s C ) 4 m/s D) 6 m/ s E) none of the above Answer: D Diff: 2 Objecti ve: 2.10 40) An object t rav els 8 m in t he 1st second of trav el, 8 m aga in durin g the 2 nd second of tr avel, and 8 m a gain durin g the 3 rd second. Its a cc elerati on is therefor e A) 0 m/ s 2. B) 5 m/s 2. C ) 8 m/s 2. D) 10 m/ s 2. E) more than 10 m/s 2. Answer: A Diff: 2 Objecti ve: 2.10 41) An object i s in fre e f all . At one inst a nt, i t t ravels at a speed o f 50 m/s. Ex actl y 1 s l ater, it s speed is about A) 25 m/ s. B) 50 m/s. C ) 55 m/s. D) 60 m/ s. E) 100 m/ s. Answer: D Diff: 2


Objecti ve: 2.10


42) Disre ga rding air r esis tance, obje cts fall at cons tant A) velocit y. B) spe ed. C ) acc elerati on. D) dist ances e ach su cces sive second. Answer: C Diff: 2 Objecti ve: 2.10 43) A ball is t hrown upw ard and c au ght when it c omes back down. In th e presenc e of ai r resis tance, the sp eed with which it is caught i s A) more than the sp eed i t had when thrown up war d. B) less t han the sp eed it had when thrown up ward . C ) the same as the spe ed it had when thrown upw a rd. Answer: B Diff: 2 Objecti ve: 2.10 44) St arting f rom rest, t h e dist ance a fre el y fall in g object wil l fall in 10 s is about A) 10 m. B) 50 m. C ) 100 m. D) 500 m. Answer: D Diff: 2 Objecti ve: 2.10 45) St arting f rom rest, t h e dist ance a fre el y fall in g object wil l fall in 0.5 s is about A) 0.5 m. B) 1.0 m. C ) 1.25 m. D) 5.0 m. E) none of the above Answer: C Diff: 2 Objecti ve: 2.10


46) One-h alf second afte r starting from rest, a fre e l y fall in g object wil l hav e a speed o f about A) 20 m/ s. B) 10 m/s. C ) 5 m/s. D) 2.5 m/ s. E) none of the above Answer: C Diff: 2 Objecti ve: 2.10


47) An apple f all s from a tree and hit s the ground 5 m below. It hi ts t he gro und with a speed of about A) 5 m/ s. B) 10 m/s. C ) 15 m/s. D) 20 m/ s. E) not enou gh informatio n given to esti mate Answer: B Diff: 2 Objecti ve: 2.10 48) It t akes 6 s for a ston e to fall to t he bott om of a mi ne shaft. How d eep i s the shaft? A) about 60 m B) about 120 m C ) about 180 m D) more than 200 m Answer: C Diff: 2 Objecti ve: 2.10 49) In ea ch secon d of f all , the dist ance a fre el y fall ing object wil l fall is A) about 5 m . B) about 10 m . C ) the s ame, but not 5 m or 10 m. D) incre asing. E) none of the above Answer: D Diff: 2 Objecti ve: 2.10 50) A ca r ac cele rates at 2 m /s 2. Assumi ng the car starts from rest, ho w f ar will it travel i n 10 s? A) 2 m B) 10 m C ) 40 m D) 100 m E) 200 m Answer: D Diff: 2 Objecti ve: 2.10


51) The muz z le velocit y of a ce rtain gun is 100 m/ s. Ne glecti n g air r esis tan ce, at t he end of 1 s a bull et fired st rai ght up i nto t he air wil l have tr avele d a dist ance of about A) (100 - 5) m. B) (100 + 5) m. C ) 100 m. D) 5 m. E) none of the above Answer: A Diff: 3 Objecti ve: 2.10 52) A bull et i s dropped int o a river f rom a ver y hi gh brid ge . At the same ti me, another bull et i s fired from a gun, st rai ght down towards the w ater. Ne glecti n g air resis tanc e , the acc eler ati o n just before striki n g the w ater A) is greate r for th e drop ped bull et. B) is gre ater for the fir ed bull et. C ) is the same for e ach b ull et. D) depends on how hi gh the y sta rted. E) none of the above Answer: C Diff: 3 Objecti ve: 2.10 53) Som eone standing at the ed ge of a cli ff thro ws one ball strai ght up and another ball strai ght down at t he same init ial speed. Ne gl ecti n g air r esis tance, the b all to hi t t he ground below the cli ff with t he gr eatest spe ed w il l be the one ini ti all y th r own A) upward. B) downw ard. C ) The y will both hi t with the same speed. Answer: C Diff: 3 Objecti ve: 2.10 54) A ball is t hrown upw ard. Ne gle cti ng air r esis tance, wh at i nit ial upward speed does the b all need to remain in t he air for a tot al t im e of 10 s? A) 50 m/ s B) 60 m/ s C ) 80 m/s D) 100 m/ s E) 110 m/ s Answer: A Diff: 3


Objecti ve: 2.10


55) A ball is t hrown 125 m upward and then fall s the same dist anc e back to the Earth. Ne gl ecti n g air resis tanc e, it s tot al t im e in t he air is about A) 5 s. B) 10 s. C ) 15 s. D) more than 20 s. Answer: B Diff: 3 Objecti ve: 2.10 56) A pot fall s from a led ge and hit s the ground 45 m below. The speed with which it hi ts t he ground is about A) 30 m/ s. B) 60 m/s. C ) 120 m/ s. D) more than 120 m/s . Answer: A Diff: 3 Object ive: 2.10 57) If a car in cre ases it s velocit y f rom z ero to 60 km/ h in 10 s , it s accelerat ion i s A) 3 km/ h ∙ s B) 6 km/h ∙ s C ) 10 km/ h ∙ s D) 60 km/ h ∙s E) 600 km/ h ∙ s Answer: B Diff: 3 Objecti ve: 2.10 58) Consi der drops of w a ter that leak f rom a dripp ing fau cet. As t he d rops f all , the y A) get closer to gether. B) get f arthe r apa rt. C ) remain at a relativel y fix ed dist ance from one a nother. Answer: B Diff: 3 Objecti ve: 2.10


59) Disre ga rding air dr a g, how fast m ust you tos s a ball strai ght upward in order fo r the ball to remain in t he air fo r a tot al t im e of 2 s? A) 5 m/ s B) 7.5 m/ s C ) 10 m/s D) 15 m/ s E) 20 m/ s Answer: C Diff: 3 Objecti ve: 2.10 60) If a b aseball bein g th rown goes from z ero to 3 0 m/ s in 0 .1 s, what i s it s avera ge a ccel erati on? A) 3 m/ s 2 B) 30 m/s 2 C ) 300 m/ s 2 D) 3000 m/ s 2 E) none of the above Answer: C Diff: 3 Objecti ve: 2.10 61) If a rocket i nit iall y at rest ac celer ates at a rate of 50 m/ s 2 for 1 mi n, it s speed will be A) 50 m/ s. B) 500 m/ s. C ) 3000 m/ s. D) 3600 m/ s. E) none of the above Answer: C Diff: 3 Objecti ve: 2.10 62) If a rocket acc eler ate s from rest at a rate of 50 m/ s 2 for 10 s, t he dist ance it will cover durin g thi s ti me is about A) 250 m. B) 500 m. C ) 2500 m. D) 5000 m. E) none of the above Answer: C Diff: 3 Objecti ve: 2.10


63) The vertic al hei ght at tained b y a basketb all playe r who a chieves a han g ti me of a full 1 s i s about A) 0.8 m. B) 1 m. C ) 1.2 m. D) 2.5 m. E) more than 2.5 m. Answer: C Diff: 3 Objecti ve: IS 2 B 64) Drop a rock f rom a 5 -m height and it a cc elerat es at 10 m /s 2 and st rikes the groun d 1 s l ater. Drop the sam e rock f rom a hei ght of 2.5 m and its acc elerati on of fall is A) about half. B) the sam e. C ) twice as much. Answer: B Diff: 2 Objecti ve: 2.10 65) A ball toss ed vertic all y upwa rd rises, r ea ches i ts hi ghest poi nt, and then fall s back to i ts starti ng p oint . Durin g thi s ti me, the accel erati on o f the ball is alwa ys A) in t he directi on of mo ti on. B) opposit e it s velocit y. C ) directed upw ard. D) direct ed downwa rd. Answer: D Diff: 2 Objecti ve: IS 2 B 66) W hil e a car tr avels ar ound a circula r tra ck at c onst ant speed, it s A) ac cele rati on is z ero. B) velo cit y is z ero. C ) both A and B D) none of the above Answer: D Diff: 2 Objecti ve: 2.10 67) The han g ti me of p ro fessi onal basketball pl a yers is t ypic all y A) less than 1 s. B) 1 s.


C ) more than 1 s. D) more than 2 s. Answer: A Diff: 2 Objecti ve: IS 2 B


68) Suppose a jum per cla im s a hang ti me of 2 s. T hen that jum per must be able to jum p a hei ght of A) 1 m. B) 2 m. C ) 3 m. D) 4 m. E) 5 m. Answer: E Diff: 3 Objecti ve: IS 2 B 69) W hen a bask etball pl a ye r jumps t o make a sho t, once his o r her feet are off the ground, the jum per's acc eler ati on A) depends on l aun ch sp eed. B) va ries with bod y orien tation. C ) is usuall y gre ater fo r t all er pla ye rs (but not alw a ys ). D) depends on all the ab ove. E) is g, no more, no less. Answer: E Diff: 2 Objecti ve: IS 2 B Essa y Questi ons 1) Clearl y dist inguish b et ween mass, w eight, and volum e. Answer: Mass has to do with t he quanti t y of matt er in a bod y. The mor e m att er, or the mor e the number of its atom s, the more mass. Mass i s meas ured in ki logr ams. W eigh t i s the gravit ati onal force on th e matter in a b od y. W ei ght i s measured in newtons. In th e same l ocali t y, mass and weight are dir ectl y propo rtional. That i s, twice the mass has twice the w eight . Volume is a measure of a bod y's si z e— it s ph ysi cal di mensions. Volum e is m easured in such unit s as cubic meters. Diff: 1 Objecti ve: 2.3 2) W hat does it mean to s a y Σ F = 0 for an object i n equil ibrium? Answer: It m e ans t hat i f the object i s not acc elerat ing, all the fo rces acti n g on it combi ne to be z ero. Diff: 1


Objecti ve: 2.5


3) If you st and on a p air of bathroom scales, ex plain how the readin gs ch an ge as you shi ft your weight gr aduall y from si de to si de. W hat rule gov erns the re adin gs on t he s cales? An swer: The equil ibrium rule guides th e scale re adings. Th at i s, the tot al of the re adings adds t o equal your wei ght. Th en the net forc e on you is z ero at all t im es. The scales push up as much as gr avit y pull s you down. For ex ampl e, stand ev enly and th e re a dings are th e same. Shi ft more weight on you r left foot a nd the readin g on the le ft scale incr eases. Its gain i s equal t o the loss of readin g on the sc ale supp orting your right foot. Diff: 2 Objecti ve: 2.5 4) Dist inguish b etwe en v elocit y and ac cele rati o n, and appl y ea ch to a ball t ossed straight upw ard. Answer: Velo cit y h as to d o with how fast a bod y t ravels; ac cele rati on has t o do with how quickl y a bod y chan ges velocit y. An up ward thro wn ball has an ini ti al velocit y that de cre ases with t im e. This rat e of de creas e is t he ac cele rati on, g, which remains t he sa me during the tim e the ball is i n the air. W hen the ball gets t o the top it s velocit y is i nstantaneo usl y z ero but i ts acc elerati on is sti ll g. As the ball returns, it s veloci t y picks up at t he s ame ra te it decre ased while ascendin g (b arrin g air d r ag). So during th e ball toss , velocit y ch an ges with ti me whil e acc elerati on doesn 't. Diff: 1 Objecti ve: 2.10 5) Does a car und er go a c celer ati on when it moves at constant speed in a str aight -li ne dir ecti on? W hen it rounds a corner at constant speed? Ex plain. Answer: No, a ca r does not accel erate at constant speed in a strai ght l ine b ecause it s velo cit y doesn't chan ge. But when it rounds a corne r it i s changin g dir ecti on at ev er y inst ant. Thi s means a chan ge in velocit y, whi ch b y d efiniti on, means a n acc elerati on. ( La ter w e will learn that wheneve r a net forc e acts on som ethi ng, that som e thi ng ac cele rates in t he d i recti on of the n et force. In the c ase of a ca r rounding a curv e, the for ce that a cts i s friction on t he ti res.) Diff: 2 Objecti ve: 2.10

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Test bank for conceptual integrated science 2nd edition by hewitt  

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Test bank for conceptual integrated science 2nd edition by hewitt  

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