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    vibbybob's Avatar
    vibbybob Posts: 1, Reputation: 1
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    #1

    Feb 19, 2011, 11:02 AM
    What is the affect of weight on speed?
    I need to know it for a science project, and I know about friction and that basic stuff, but I need information from a live person. I am going to test this project by putting different weights on a remote control car. I just need a bunch of facts and background knowledge from an expert.
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #2

    Feb 20, 2011, 05:18 AM

    Well, do you know the formula for the force of friction a body experiences when it moves?

    It's given by the formula:



    Where mu is a constant for the particular type of contact between the car and the surface it's running on,
    R is the normal reaction of the car and is equal to the total weight of that car.
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