Question

Q.One of the rectangular components of a force of 40N is 20N .Find the angle it makes with this component.

Answer 1

Let the angle made by the force with the 20N component be $\theta$.

Then , 40cos$\theta$ = 20

cosθ =$\frac{20}{40}=\frac{1}{2}$

$\theta ={60}^o$