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March 29, 2017

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A woman pushes a lawn mower with a con-
stant force of 112 Newtons at an angle of
37 with respect to the horizontal. The lawn
mower moves at a speed of 20 cm/sec.
What is her power output? (1 hp = 746
Watts)

  • physics - ,

    v = .2 m/s
    F = 112 cos 37

    power = F v = .2 * 112 cos 37 Watts

    to get HP divide by 746

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