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8 March, 20:16

A sailor pulls a boat horizontally along a dock for 10.0 m with an angled rope. He does 766 J of work and has a force of 100.0 N. What was the angle of the rope?

O 40°

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  1. 8 March, 23:25
    0
    W = Fd cos θ

    766 J = (100.0 N) (10.0 m) cos θ

    cos θ = 0.766

    θ = 40.0°
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