PHYS Lab #7

# PHYS Lab #7 - David Thibodeaux PHYS 111-A H03 Lab 131...

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David Thibodeaux PHYS 111-A H03 Lab 131 - Centripetal Force 10/29/2010 Objective: To understand that there is centripetal force acting on an object in circular motion and the acceleration is always directed radially inward. Theory equations: 1. U = mgh 2. K = ½mv 2 3. W = Fd 4. W = U 5. F = m(g + v 2 /r) Equipment List: PC with ULI, Force Probe, Clamp to hold force probe, Pendulum with different masses Procedure: 1. Weigh the pendulum, and record the weight in kg. 2. Measure the pendulum length L. 3. Hang the pendulum on the force probe. 4. Lift the pendulum to the horizontal position. Click the Collect button, wait 2 seconds then drop the pendulum and let is oscillate. . The force vs. time is then plotted. 5. Click the Stop button and read the value of the first maximum force. 6. Calculate the % difference between the maximum force and the calculated tension. 7. Measure the pendulum period. The time distance between the adjacent maxima is half of the period. Part I: Calculating Max Tension

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PHYS Lab #7 - David Thibodeaux PHYS 111-A H03 Lab 131...

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