Consider the three forces acting at O and in equilibrium as shown in the figure. Which of the following equations is/are CORRECT?

By: |Published on: Mar 26|Categories: Physics JAMB| 0 comments

I. P1 cos θ1 = p1 cos θ2
II. P3 = P1 cos θ4 + P2cos2
III. P1sinθ1=P2sinθ2

A. I only
B. II only
C. III only
D. I, II and III only

Correct Answer:

Option C = III only

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