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6 August, 10:30

A nurse pushes a cart by exerting a force on the handle at a downward angle of 36 degrees below the horizontal. the loaded cart has a mass of 28kg, and the force of friction is 65 n. what is the magnitude of force the nurse must exert to move at a constant velocity in newtons?

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  1. 6 August, 13:26
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    Since it was stated that it must move at constant velocity, so the only force it must overpower is the frictional force.

    So the equation is:

    F cos θ = Ff

    F cos 36 = 65 N

    F = 80.34 N

    So the nurse must exert 80.34 N of force
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