2.1 Mechanics 2.1.2 Dynamics
Free fall with the 2-1 timer
release mechanism between a pin and a plunger, thereby closing an electrical circuit. When the sphere is released by means of a cable trigger, the electrical contact is interrupted and that starts the electronic counter. The sphere falls onto the receiving tray of the receiver switch, which then stops the counter. Bodies of different mass and surface area fall through air-filled space at different speeds, whereas they fall at the same speed if the air resistance and the buoyancy in air is negligible (free fall). Literature for this experiment as follows: Ver.-Einheit Lineare Bewegungen 16001-01 German Demo advanced Physics Manual Linear Motion (LMT) 16001-02 English P1199000
Principle
Uniformly accelerated linear motion
Determine the laws relating distance and time as well as speed and time in the case of free fall by using a 2-1 timer. A ball is connected to a stand by means of a ball release clamp. As soon as the clamp is opened, the timer is started and the ball starts falling. When it passes a light barrier, the timer is stopped again. This allows the acceleration due to gravity g to be determined impressively accurately from the measured time and the distance between the clamp and the light barrier. Literature for this experiment as follows: Software interTESS Physics, DVD 01050-00 Software interTESS Physics, Mechanics, DVD 01051-00 TESS advanced Physik Handbuch Mechanik 6 01159-11 German P1004105
Principle A measurement carriage is uniformly accelerated by a falling mass. The experiment shows the relationships between the following: - Distance travelled and the elapsed time - Instantaneous velocity attained by the carriage after a certain time.
Free fall
Literature for this experiment as follows: Phys.Demovers. Haftmechanik, 2 01153-01 German Physics, Manual Magnet Board Mechanics, 2 01153-02 English Demo advanced Physik Handbuch Sekundarstufe 1,Mechanik, Akustik, W盲rme, Elektrik, regenerative Energie,Optik 01500-01 German P1296100
Principle For determining the gravitational acceleration of the Earth (g) using the familiar distance-time relationship for accelerated movement with a falling sphere apparatus. A steel sphere is held in the
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