Lever Systems, Examples of their use in Activity and the Mechanical Advantage Questions

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Q1. Which one of these shows how to calculate the mechanical advantage of a lever? A

Effort arm × weight (resistance) arm

B

Effort arm ÷ weight (resistance) arm

C

Effort arm + weight (resistance) arm

D

Effort arm − weight (resistance) arm (Total 1 mark)

Q2. Which one of the following statements best describes the term ‘adduction’ at a ball and socket joint? A

The movement of a limb away from the midline of the body

B

The movement of a limb towards the midline of the body

C

The movement of a limb in a complete circle

D

The movement of a limb which increases the angle of a joint (Total 1 mark)

Q3. The diagram shows a basketball player jumping to execute a shot.

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Lever Systems, Examples of their use in Activity and the Mechanical Advantage Questions by Ullswater Community College - Issuu