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you slide a 325-N trunk up a 20.0 degree incline plane with a constant velocity by exerting a force of 211 N parallel to the incline plane
a)what is the component of the trunk's weight parallel to the plane ?

b)what is the sum of your applied force ,friction and the parallel component of the trunks weight?

c)what size and direction of the friction force?

d) what is the coefficient of friction?

  • Physics -

    a) 325sin20
    b) sume is zero, it is at constant veloicty.
    c) mg*mu*cos20, downhill (opposes motion)
    d) 211-mg*mu(cos20)-325sin20=0

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