Which one of the following conditions must be satisfied simultaneously for a rigid…

PHYSICS · Single correct · CBSE · Physics · System of Particles and Rotational Motion · System of Particles and Rotational Motion

Problem

Which one of the following conditions must be satisfied simultaneously for a rigid body to remain in complete mechanical equilibrium? (a) ∑F=0\sum F = 0 only (b) ∑τ=0\sum \tau = 0 only (c) ∑F=0 and ∑τ=0\sum F = 0 \text{ and } \sum \tau = 0 (d) ∑F≠0\sum F \neq 0 but ∑τ=0\sum \tau = 0

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