Question

Assertion: Work done by the force of friction is always negative.Reason: Frictional force always acts in opposite direction to that of motion of the body.
a) Both Assertion and Reason are true and Reason is correct explanation of the assertion.
b) Both Assertion and Reason are true but Reason is not the correct explanation of the assertion.
c) Assertion is true but Reason is false.
d) Assertion is false but Reason is true​

Answer 1

Answer:

Assertion is true but Reason is false

Explanation:

Frictional force always opposes relative motion. Therefore, work done by the frictional force is negative. Assertion is true, reason is false.