Assertion :Statement 1: There will be no net external force on an object moving with uniform velocity. Reason: Statement 2: The force acting on an object need not cause motion. It may deform the dimensions of object.

Both Statement 1 and Statement 2 are true and Statement 2 is the correct explanation of Statement 1.

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Both Statement 1 and Statement 2 are true but Statement 2 is not the correct explanation of Statement 1.

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Statement 1 is true and Statement 2 is false.

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Both Statement 1 and Statement 2 are false.

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Solution

The correct option is B Both Statement 1 and Statement 2 are true but Statement 2 is not the correct explanation of Statement 1.
As we know an object that is in motion will not change its velocity unless net external force acts upon it. So there will be no net action of external force on an object moving with uniform velocity.
If multiple forces are acting on a deformable body and resultant of these forces are zero then this combination of force will not change motion but it will change the shape of the object.
Hence, both Statement 1 and Statement 2 are true but Statement 2 is not the correct explanation of Statement 1.
Option D.

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