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Physics Lab write up 7

# Data and if it doesnt maintain a constant value then

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data and if it doesn’t maintain a constant value then the student will go back to where they pressed the Start button and repeat all those steps after, again. Allow the data collection to occur for about five seconds then press the Stop button. Enter the Mean Force into the Force v. Radians data table. From the experimental menu, select “delete all data runs.” The student will repeat all steps until four trials have been run and recorded. Analysis of Force vs. Radius the student will observe the Force Vs, Radius graph and data table. Next they will select the “fit” button and choose the appropriate fit for their data. They must remember to make note that the mathematical form of their fit and what the various coefficients represent. Next they will plot the graph and observe the line from the data they collected. For our results were a straight positive line when we put mass (kilograms) versus force(newtons) and Radius (meters) versus force(newtons). Unfamiliar Terms : Frequency of rotation: a number of cycles per unit time(Wikipedia.org) Centripetal force: A force that acts on a body moving in a circular path and is directed toward the center around which the body is moving. (google.com/dictionary) Radius: A circular area having an extent determined by the length of the radius from a given or specified central point. (Dictionary.com) Uniform Circular motion: In physics, uniform circular motion describes the motion of a body traversing a circular path at constant speed. The distance of the body from the axis of rotation remains constant at all times. ( en.wikipedia.org/wiki/Uniform_circular_motion )

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Angular velocity: the rate of change of the angular position of a rotating body; usually expressed in radians per second or radians per minute( wordnetweb.princeton.edu/perl/webwn ) Centripetal acceleration: the acceleration toward the center that holds a satellite in elliptical orbit. (wordnetweb.princeton.edu/perl/webwn) Centripetal Force: the inward force on a body moving in a curved path around another body( wordnetweb.princeton.edu/perl/webwn ) Circular orbit: the orbit of any point of an object rotating around a fixed axis. ( en.wikipedia.org/wiki/Circular_orbit ) Linear velocity: Linear speed at which a moving feature passes a fixed point ( www.mscience.com/gloss.html ) Force: An influence on a body or system, producing or tending to produce a change in movement or in shape or other effects. (dictionary.com) Data: (look at attached excel sheet) Analysis: N/A Results and Conclusion: This lab was executed to help the students know and understand what amount of force is required to move a mass along a circular path and to be able to verify the theoretical expression for the force in terms of the frequency of rotation, the radius of the path and the mass being held in the circular path. Our results were a straight positive line when we put mass (kilograms) versus force(newtons) and Radius (meters) versus force(newtons). Thus, verifying theoretical expression for the force in terms of the
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