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GCSE Physics- How do weights/washers increase the centripetal force? watch

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    I am currently doing an experiment on centripetal forces and the procedure/graph is similar to this one:
    http://www.batesville.k12.in.us/phys..._and_speed.htm
    My hypothesis is: "The increase in the weights (Centripetal force) will increase the speed of one revolution."
    In the graph, more weights are being added, however, how does the increase in weights subsequently increase the centripetal force and therefore the speed of the mass spinning on the string?
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    (Original post by Kienmhang)
    I am currently doing an experiment on centripetal forces and the procedure/graph is similar to this one:
    http://www.batesville.k12.in.us/phys..._and_speed.htm
    My hypothesis is: "The increase in the weights (Centripetal force) will increase the speed of one revolution."
    In the graph, more weights are being added, however, how does the increase in weights subsequently increase the centripetal force and therefore the speed of the mass spinning on the string?
    The force of gravity due to the mass of the washers is causing the tension in the wire, the tension in the wire is providing your centripetal force.
 
 
 
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