Answer to Question #253018 in Physics for Reddeer20

Question

A box of wood is acted upon by two forces of magnitude 20N and 30N acting inclined at an angle of 90 ° to each other calculate the resultant force which set the box into motion

Answer 1

The magnitude of the resultant can be found with Pythagorean theorem:

$$R=\sqrt{20^2+30^2}=36\text{ N}.$$