Assertion: A weight lifter does not work in holding the weight up.
Reason: Work done is zero because distance moved is zero
(a) If both assertion and reason are true and the reason is the correct explanation of
assertion
the
(b) If both assertion and reason are true but reason is not the correct explanation of the assertion
(d) If assertion is true but reason is false.
(d) If the assertion and reason both are false.
(e) If assertion is false but reason is true.
Answers
Answered by
2
Answer:
a
Explanation:
a is the correct answer
Answered by
1
Answer:
ANSWER
Work done by a force W=FScosθ
where θ is the angle between force F and distance moved S.
Since the weight lifter is holding the weight, so distance moved by it is zero i.e. S=0
⟹ W=0
Thus option A is correct.
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