Assertion :There will be no action of external force on an object moving with uniform velocity. Reason: The force acting on an object need not cause motion. It may deform the dimension one of it.
A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
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B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
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C
Assertion is correct but Reason is incorrect
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D
Assertion is incorrect but Reason is correct
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Solution
The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion Assertion is true as according to Newton second law.
Fnet=ma
Since a=0
Fnet=0
Reason is also true as the object is fixed from one end restricted from moving so the force can cause deformation by applying stress.