Assertion (A): The driver in a vehicle moving with a constant speed on a straight road is in a n...

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Assertion (A): The driver in a vehicle moving with a constant speed on a straight road is in a non-inertial frame of reference.
Reason (R): A reference frame in which Newton's laws of motion are applicable is non-inertial.
(A) Both A and R are true and R is the correct explanation of A.br(B) Both A and R are true, but R is not the correct explanation of A.
(C) A is true, but R is false.
(D) A is false, but R is true.
(E) Both A and R are false.
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