Question

A force of magnitude 20 N acts in the direction
4î - 3j. The force is F› is ​

Answer 1

Answer:

(d)

Explanation:

unit vector

$n = \frac{4i - 3j}{ \sqrt{ {4}^{2} + {3}^{2} } }$

force in this direction

F

$= 20n = 20 \times \frac{4i - 3j}{5} = 16i - 3j$