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Work And Energy — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceWork And Energy1 Mark
MCQ
The work done on an object does not depend upon the:
  • A
    Displacement.
  • B
    Force applied.
  • C
    Angle between force and displacement.
  • D
    Initial velocity of the object.
✓

Answer

  1. Initial velocity of the object.

Explanation:

$\text{W}=\text{F}\times\text{d}\cos\theta$

Here, F = force applied on the object

d = displacement

$\theta$ = angle between force and displacement

So, the work done on an object does not depend upon the initial velocity of the object.

The correct option is D.

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