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Standard XII

Physics

Problem Solving

A body of mas...

Question

A body of mass $6$ kg is moving with uniform velocity along a straight line when a force of $12$ N is acting on it. If $g = 10 m s^{- 2}$ , find the frictional force acting on the body.

6 N

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12 N

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18 N

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24 N

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Solution

The correct option is C 12 N
As the body is in uniform motion hence acceleration should be zero, i.e net force is zero.
Hence, friction is equal to the applied force which is $12$ $N$ .

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A body of mass 6 kg is moving with uniform velocity along a straight line when a force of 12 N is acting on it. If g=10ms−2, find the frictional force acting on the body.

The correct option is C 12 NAs the body is in uniform motion hence acceleration should be zero, i.e net force is zero. Hence, friction is equal to the applied force which is 12 N.

A body of mass $6$ kg is moving with uniform velocity along a straight line when a force of $12$ N is acting on it. If $g = 10 m s^{- 2}$ , find the frictional force acting on the body.

The correct option is C 12 N
As the body is in uniform motion hence acceleration should be zero, i.e net force is zero.
Hence, friction is equal to the applied force which is $12$ $N$ .