Question

When a force f newton displaces a body by a distance of 2 m at an angle 60 to its own direction, work done is 30j. Calculate f?

Answer 1

Answer:

30 N

Explanation:

$\displaystyle \text{Work done } = F.x.\cos \theta\\\\30 = F .2 .\cos 60 = F.2.\frac{1}{2} = F\\\\\therefore, F = 30N$