Mechanical Engineering - Engineering Mechanics - Discussion

Discussion Forum : Engineering Mechanics - Section 5 (Q.No. 45)
45.
Two forces are acting at an angle of 120°. The bigger force is 40N and the resultant is perpendicular to the smaller one. The smaller force is
20 N
40 N
80 N
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
23 comments Page 3 of 3.

Shahzad said:   10 years ago
40Cos 120° = 40*1/2 = 20 N.

Raja said:   1 decade ago
Can anyone please explain?

ADITYA PRADHAN said:   1 decade ago
40*cos 120 = 40*1/2 = 20 N.


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