Civil Engineering - Applied Mechanics - Discussion
Discussion Forum : Applied Mechanics - Section 1 (Q.No. 34)
34.
The resultant of two forces P and Q acting at an angle θ, is
P2 + Q2 + 2P sin θ
P2 + Q2 + 2PQ cos θ
P2 + Q2 + 2PQ tan θ
Discussion:
3 comments Page 1 of 1.
Anonymous said:
9 years ago
Answer should be (P^2 + Q^2 - 2PQcos (a) ) ^0.5; a for angle theta - Using cosine law.
Manjunatha K said:
9 years ago
Can you please elaborate? How it's negative?
Gyanesh said:
7 years ago
Answer should be C.
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