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BITSAT2020PhysicsLaws of MotionActual

A body of mass 2 ~kg is placed on a horizontal surface having kinetic friction 0.4 and static friction 0.5 . If the force applied on the body is 2.5 ~N , then the frictional force acting on the body will be [ g =10 ~ms ⁻² ]

Options

  1. A8 ~N
  2. B10 ~N
  3. C20 ~N
  4. D2.5 ~N

Correct answer

D. 2.5 ~N

Step-by-step solution

Limiting friction =0.5 2 10=10 ~N The applied force is less than force of friction, therefore the force of friction is equal to the applied force.

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