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Force and Laws of Motion — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceForce and Laws of Motion1 Mark
MCQ
Choose the correct statement$(s):$
  • A
    Motion necessarily takes place along the direction of force
  • B
    If no force acts, the body is at rest
  • ✓
    A body in motion, need not be acted upon by a force
  • D
    A change in speed is always there, whenever a force is applied on the moving body
✓

Answer

Correct option: C.
A body in motion, need not be acted upon by a force
Motion always takes place along velocity of the body.So it does not necessarily takes place along the direction of force.
When a body moves with uniform velocity , there is no force acting on the body.

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