Question

At what angle should the two forces 2N and √2N act so that the resultant force is √10​

Answer 1

Answer:

45 degrees

Explanation:

10 = 4 + 2 + 2(2)(2^1/2)cos x.

4 = 4(2^1/2)cos x

Cos x = 1 / root 2

Therefore, x = 45 degrees.