1.

The resultant of two forces 2 N and 3 N isV19 N then the angle between the forces(A) 300(B) 45°(C) 60°(D) 40°​

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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∅



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