Physics-Work Done by Forces
NEET Physics Work Done by Forces Assertion Reason Question
Type: Assertion Reason-assertion-Hard-Class 11
Assertion (A): The work done by friction on a body sliding down an inclined plane is negative. | Reason (R): Frictional force always acts in the direction opposing the motion of the body.
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.
Correct Answer
Option A
Detailed Explanation
The NCERT context highlights that work done by friction is negative when a body slides down an inclined plane, as friction opposes the motion, confirming the assertion and reason.
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