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    Claira17's Avatar
    Claira17 Posts: 1, Reputation: 1
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    Dec 10, 2012, 07:54 PM
    What effect does varying the angle of incline have upon the force needed to pull the
    I'm studying Newton's Law of Motion in Physics class. I know if you increase the angle of the ramp, the force needed will increase to. But what would happen if its traveling a constant speed?
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    Dec 11, 2012, 08:56 AM
    Moving at constant speed up a ramp requires a force equal to the objects weight times the sine of the angle of incline. Two examples: (a) if the ramp is at zero degrees (horizontal, like a flat road) no force is required to maintain its connstant velocity; (b) but if the ramp is vertical (like climbing a wall) the force needed is equal to the object's weight.
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