1.

_The resultant of two forces P and Q acting at an angle θ is$?

A. ‚Äö√ √∂(P¬¨‚â§ + Q¬¨‚â§ + 2PQ sin≈í‚àè)
B. ‚Äö√ √∂(P¬¨‚â§ + Q¬¨‚â§ + 2PQ cos≈í‚àè)
C. ‚Äö√ √∂(P¬¨‚â§ + Q¬¨‚â§ - 2PQ cos≈í‚àè)
D. ‚Äö√ √∂(P¬¨‚â§ + Q¬¨‚â§ - 2PQ tan≈í‚àè)
Answer» C. ‚Äö√ √∂(P¬¨‚â§ + Q¬¨‚â§ - 2PQ cos≈í‚àè)


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