Lab 131 Writeup

Lab 131 Writeup - Robert Crescenzi 10/29/10 Lab 131 1....

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Robert Crescenzi 10/29/10 Lab 131 1. Title: Centripetal Force 2. Background: U=mgh (potential energy=mass*9.8*height K = 12mv2 W=F*d Change in W (work) = Change in U(Potential Energy) F=m(g+v^2/r) (for when pendulum is not in lowest point) In x-dir: Tsin(theta)=m*a In y-dir: -m*g+Tcos(theta)=m*a M*g*h= 12mv2 (When pendulum is at lowest point) x-dir: 0=m*a y-dir: -mg+T=ma 3. Procedures: Weigh the pendulum. Measure the pendulum length L. Hang the pendulum on the force probe.
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Lift the pendulum to the horizontal, click the collect button, then release the pendulum and let it oscillate. Click the STOP button and record data. Calculate the %error between the max force from the tension plot and the tension calculated. Record all data in excel file. 4. Data and Observations: Data Table 1: Mass (kg) Length (m) 0.06425 0.69 0.02407 0.525 0.617 0.447 Data Table 2: Tension Measur ed (N) Tension Calcula ted (N) Centripe tal Force Measure d (N) Centripe tal Force Calculat ed (N) %erro r Mass1, Length1
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This note was uploaded on 03/21/2011 for the course PHYS 111A taught by Professor Universal during the Fall '10 term at NJIT.

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Lab 131 Writeup - Robert Crescenzi 10/29/10 Lab 131 1....

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