Question

Two forces 3N and 4N resp. Are acting on a body. Resultant force if the angle between them is 90.​

Answer 1

Answer:

The magnitude of the resultant force is 5 N.

Explanation:

The magnitude of the resultant force is,

$|r| = \sqrt{ {3}^{2} + {4}^{2} - 2 \times 3 \times 4 \times \cos(90) }$

Which is,

$|r| = 5$