Lab131

# Lab131 - LAB:131 CENTRIPETAL FORCE Livia Kuruvila Amy Patel...

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LAB:131 CENTRIPETAL FORCE Livia Kuruvila Amy Patel Kunal Rana Vikram Ramkumar Phys 111A-001 October 27, 2010 Chiranjivi Lamsal

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Introduction: Pendulum movement is an example of rotational motion where the body moves in a circle at a constant radius r. The pendulum accelearates as its moving downwards when released then decelerates as it moves upwards once again. When trying to assess Newton’s Law there are x and y components. In the x direction the equation used is Tsin( θ )=ma x , in the y direction is equation used is mg+Tcos θ =ma y ; At the lowest point the angle is zero. U=mgh is used to define potential energy which can be set to equal kinetic energy- K=1/2 mv 2 . W=Fd defines work. In order to calculate the tension force the equation F=m(g+ (v2)/r) is used. ME tot =PE+KE (ME=PE+.5MV^2) is used to solve for V MAX . In order to solve the ME tot , we would use the equation ME tot =PE +KE when the pendulum is horizontal. Procedure:
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## This note was uploaded on 11/10/2010 for the course PHYS 111A taught by Professor Universal during the Fall '10 term at NJIT.

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Lab131 - LAB:131 CENTRIPETAL FORCE Livia Kuruvila Amy Patel...

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