Question

A force of 20 N displaces an object through 10 cm and does 1 J work in the Find the angle between force and displacement.

Answer 1

Formula,

$W=(F\times s)\cos \beta$

$1=(20\times 0.1)\cos \beta$

$\cos \beta =\frac{1}{2}$

$\therefore \beta ={60}^{\circ }$