Build onto your CENCO Track to measure free fall with this upgrade. When the CENCO Track is placed vertically you simply mount the photogate and connect it to the timer. By placing the photogate at a chosen distance from the electromagnet, you can quickly measure the speed at which the body falls through the photogate and verify that the body is in free fall. Whether the object is falling downward or rising upward towards its peak, if it is under the sole influence of gravity, it’s acceleration value is 9.8 m/s2. The acceleration of gravity is studied by measuring the time necessary for a falling body to travel a fixed distance on the graduated scale. The electromagnet at the top of this device has a release switch, which starts the timer that is attached at the base of the unit, once the ball hits the bottom the timer stops.
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