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 \sin \theta_1 = p...

Assessment: JAMB UTME - Physics - 2020 Subject: Physics

Question 1 Report

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

I. $P_1 \sin \theta_1 = p_1 \cos \theta_2$

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

Answer Details

From ?ABC

P = P₁ cos ?

From $?$ ACD

P = P₂ cos?₂

P₁ cos ?₁

P₂Cos ?₂

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