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HomeC. Kinematics and DynanmicsC2. Kinematics in One and Two DimentionsFree Fall With Photocell Gates
Free Fall With Photocell Gates
Purpose
To measure the acceleration of gravity.
Equipment
Photocell gate timer, cylindrical mass with plastic tube mounted as photographed.
Setup Time
10 min.
Images
Description
The gates are set about x = 50 cm apart along the vertical line defined by the guide tube. A short aluminum cylinder is held immediately above the top photocell beam and released. The acceleration of gravity is then detemined using the equation g = 2 x / t**2. ◙
References
(PIRA 1C30.112)
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See pagesc1. center of mass motion
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See pagesc3. first law of motion
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See pagesc4. second law of motion
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See pagesc5. third law of motion
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See pagesc6. friction
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See pagesc7. collisions
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See pagesc8. mechanical energy & power
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See pagesc1. center of mass motion
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See pagesc3. first law of motion
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See pagesc4. second law of motion
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See pagesc5. third law of motion
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See pagesc6. friction
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See pagesc7. collisions
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See pagesc8. mechanical energy & power
Physics Lab Demos