Column I Column II (I) In equilibrium, the body must be stationary (P) True (II) If a body is moving, then no force may be acting on it (Q) False (III) If a body is always at rest, it means no net for

Question

Column I	Column II
(I) In equilibrium, the body must be stationary	(P) True
(II) If a body is moving, then no force may be acting on it	(Q) False
(III) If a body is always at rest, it means no net force is acting on it	(R) Net force acting on the body is certainly zero
(IV) If a body is accelerated, then direction of acceleration is always in the direction of net force	(S) The body may have some acceleration
	(T) None of these

TestHub · Accepted Answer

(I) Equilibrium ⇒ ∑ F = 0 ⇒ a = 0 v = 0 or v = co n s t an t → Q, R (II) Body moving a = 0 ⇒ ∑ F = 0 → P, R (III) Always at rest v = 0 ⇒ a = 0 ⇒ ∑ F = 0 → P, R (IV) Accelerated body ∑ F = m a Direction: a ∥ ∑ F → P, S Answer: A

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