Mechanical Engineering - Engineering Mechanics - Discussion

Discussion Forum : Engineering Mechanics - Section 2 (Q.No. 26)
26.
The resultant of two forces P and Q acting at an angle θ is
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
4 comments Page 1 of 1.

Edet said:   8 years ago
According to Cosine rule, it ought to be C.
(2)

Giri said:   9 years ago
It is solved by parallelograms law.

Pradeep said:   9 years ago
According to me option C is the correct answer.
(1)

Mike said:   10 years ago
If the angle theta obtuse, such that 90 < theta < 180, then option B is valid. However, if theta is acute, such that 0 < theta < 90.

Then option C must be chosen. But to be on the safe side, option C is preferable, because it accommodates for all values of theta.

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