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A force of 7N acts on an object. The dis...

A force of 7N acts on an object. The displacement is, say 8m, in the direction of the force, Let us take it that the force acts on the object throughout the displacement. What is the work done in this case ?

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A force of 7 N acts on an object. The displacement is, say 8 m, in the direction of the force (see Figure below). Let us take it that the force acts on the object through the displacement. What is the work done in this case ?

A force of 5 N is acting on an object. The object is displaced through 2 m in the direction of the force (Fig. 11.2). If the force acts on the object all through the displacement, then work done is 5 N xx 2 m =10 N m or 10 J .

Knowledge Check

  • Force acts on an object may change

    A
    direction
    B
    shape
    C
    speed
    D
    all of above

  • Force acts on an object may change:

    A
    direction
    B
    shape
    C
    speed
    D
    all of above

  • A force of 10N is acting on an object. The object is displaced through 5m in the directino of force. Then the work done is:

    A
    `-50J`
    B
    50J
    C
    `-50N`
    D
    50N

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