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jorden
jorden asked in Science & MathematicsPhysics · 4 years ago

physics question!?

A farmer uses a pulley system to raise a 225N bale of hay 16.5m. A 129N force is applied by

pulling a rope 33.0m.

a. What is the ideal mechanical advantage of the pulley system?

b. What is the actual mechanical advantage of the system?

1 Answer

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  • Old Science Guy
    Lv 7
    4 years ago
    Favorite Answer

    ...

    IMA = di / do = 33.0 / 16.5 = 2.00

    AMA = Fo / Fi = 225 / 129 = 1.74

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