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5 April, 11:50

In which situation is the maximum possible work done?

when the angle between the force and displacement is 0°

when the angle between the force and displacement is 180°

when the angle between the force and displacement is 45°

when the angle between the force and displacement is 90°

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  1. 5 April, 12:00
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    A) When the angle between the Force (F) and Displacement (x) is 0°, because, Work done (W) is directly proportional to the Cosine of the Angle between the Force applied and the resultant displacement of the subject.

    W = F•x cos ∅

    If ∅ = 0°,

    W = F•x = ==> Maximum Work Done.

    If ∅ = 45°,

    W = F•x/√2

    If ∅ = 90°,

    W = 0

    If ∅ = 180°,

    W = - F•x = ==> Minimum Work Done.
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