NEET Physics Newton's Laws Assertion Reason Question
Assertion (A): A body at rest on a horizontal surface remains at rest if the net external force acting on it is zero. | Reason (R): According to Newton's first law, an object will continue in its state of rest or uniform motion unless acted upon by a net external force.
Both A and R are true and R is the correct explanation of A.
Both A and R are true but R is not the correct explanation of A.
A is true but R is false.
A is false but R is true.
Correct Answer
Detailed Explanation
Both the assertion and reason are true, and the reason correctly explains the assertion according to Newton's first law, as discussed in the NCERT context.
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