Newton 2nd Law - Objective: The purpose of the lab was to...

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Objective: The purpose of the lab was to verify Newton’s 2 nd law and some applications of the law by performing various experiments Description: During the process of verifying the correlation between Force and the product of mass and acceleration we used a photogate, force sensor, smart pully, and a picket fence. The photogate is a device that emits an infrared beam that can calculate an object’s position, velocity, acceleration, and rotation. The force sensor is hooked up to the SWS and measures force in Newtons by determining how much force is being exerted on its hook. The smart pulley is a digital sensor that combines a photogate sensor with a pulley that has spokes. As the pulley turns the photogate is successively blocked by the spokes. If a string passed over the pulley a display can be programmed by the SWS to show position, velocity, acceleration. The picket fence is simply a clear sheet of plastic with opaque bands on it. When the picket fence is passed through a photogate the photogate beam is alternatively blocked and transmitted. These intervals of transmittance are used to calculate the acceleration, position, and velocity of the fence. This is done by hooking the photogate sensor up to the SWS and setting the distance between the beginning of one opaque band and the beginning of the next. Theory:
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This note was uploaded on 02/16/2010 for the course PHYSICS V85.001100 taught by Professor Lenihan during the Fall '05 term at NYU.

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Newton 2nd Law - Objective: The purpose of the lab was to...

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