Q58
Assertion (A) Work done by friction on a body sliding down an inclined plane is positive. Reason (R) Work done is greater than zero it the angle between force and displacement is acute.
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
AnswerAnswer: Option D
Solution
Answer: Option D
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