$Consider the three forces acting at O and in equilibrium as shown in the figure. Which of the following equations is/are CORRECT? I. P$_1$ cos $\theta_1$ = p$_1$ cos $\theta_2$ II. P$_3$ = P$_1$ cos $\theta_4$ + P$_2 cos_2$ III. P$_1 \sin \theta_1 = P_2 \sin \theta_2$$

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

I. P $_1$ cos $\theta_1$ = p $_1$ cos $\theta_2$

II. P $_3$ = P $_1$ cos $\theta_4$ + P $_2 cos_2$

III. P $_1 \sin \theta_1 = P_2 \sin \theta_2$

I only

II only

III only

I, II and III only

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

I. P $_1$ cos $\theta_1$ = p $_1$ cos $\theta_2$

II. P $_3$ = P $_1$ cos $\theta_4$ + P $_2 cos_2$

III. P $_1 \sin \theta_1 = P_2 \sin \theta_2$

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Consider the three forces acting at O and in equilibrium as shown in the figure. Which of the following equations is/are CORRECT? I. P1_1 cos θ1\theta_1 = p1_1 cos θ2\theta_2 II. P3_3 = P1_1 cos θ4\theta_4 + P2cos2_2 cos_2 III. P1sinθ1=P2sinθ2_1 \sin \theta_1 = P_2 \sin \theta_2

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

I. P $_1$ cos $\theta_1$ = p $_1$ cos $\theta_2$

II. P $_3$ = P $_1$ cos $\theta_4$ + P $_2 cos_2$

III. P $_1 \sin \theta_1 = P_2 \sin \theta_2$