Physics-Friction
NEET Physics Friction Assertion Reason Question
Type: Assertion Reason-assertion-Easy-Class 11
Assertion (A): Friction is necessary to maintain uniform motion of a body on a horizontal plane. | Reason (R): In the absence of friction, a body will continue to move with constant velocity without any external force applied.
A
Both A and R are true, and R is the correct explanation of A.
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.
Correct Answer
Option D
Detailed Explanation
In the absence of friction, a body moves with constant velocity without needing an external force, making Assertion (A) false. Reason (R) is true as per the NCERT context.
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