Question

work done by a force of 8N to a body by a distance of 4m at angle of 30degree with line of action of force​

Answer 1

Explanation:

Work done in fruit case =F.S.cosθ

=10×2×cos60

10J

Work done in second case is same as 10J=FScosθ

⇒F×2×cos30=10

F=

3

10

N