Question

223. When force acts at right angle to
displacement, work done is :
(A) Zero
(B) Positive
(C) Negative
(D) One​

Answer 1

Question -

When force acts at right angle to

displacement, work done is ___

Answer -

$\text{We know,}$

$\sf{W} = \sf{F×S} \cos\theta$

So,

$\sf{W} = \sf{F×S} \cos90°$

$\sf{W} = 0$

Option A is correct

Answer 2

Answer:

(A) Zero.

Explanation:

When force acts at right angle to

displacement, work done is : Zero.

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