Question

The resultant of two forces 2 N and 3 N is
V19 N then the angle between the forces
(A) 300
(B) 45°
(C) 60°
(D) 40°​

Answer 1

Answer:

Explanation: A=2N

B=3N and C= 4N. R²= A²+ B²+2ABcos∅ 4²= 2²+3²+2×2×3 cos∅ 16= 4+9+12 cos∅ 16= 13+12 cos∅