Experiment#6 Physics

# Experiment#6 Physics - Data m =.024 kg r =.08 m Record...

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Randy Brackins
Experiment #5 Date of Experiment: 09/24/09 Date of Submission: 10/01/09 Experiment # 5 CentripetalForce Purpose: The purpose of this experiment was to understand the concept of centripetal force along with radius, mass and velocity undergoing circular motion. Apparatus: Centripetal Force Apparatus ( That includes Electric motor, connecting cable, ball bearings swivel. rotating arm with free and fixed mass holders.) Lab stand , power supply, weights, photo-gate., force sensor interface and Digital studio software

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Method: The apparatus was set as shown in figure above, the masses are placed and the power supply was turned on. When the voltage reached the desired amount, Data Studio was turned on. The velocity is recorded along with the force. The graph in the result is formed.

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Unformatted text preview: Data: m = __.024___ kg r = ___.08____ m Record Calculate % differ. of F c & F r V F r F c = mV 2 /r 1 1.728 0.4623 0.893 64% 2 3.016 1.9213 2.79 37% 3 3.865 3.423 4.481 27% Inference: The centriteal force is directy proportional to the square of the velocity and mass, and inversely proportional to the radius of rotation. F= mv²r Where, m is the mass, v is velocity and r is the radius Results: Part 1 . Yes, the graph is a quadratic fit. Part 2. Yes, this graph is a linear fit Answers to questions , discussion and conclusion: 1. In part 1 the graph is a quadratic fit 2. In part 2 Mean of force: 2.10 with 20g Mean of force: 2.77 with 25g Mean of force: 3.36 with 30g Mean of force: 3.93 with 35g...
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