A force F = kx (where k is a positive constant) is acting on a particle. Work done : Column IColumn II(i) In displacing the body from x = 2 to x = 4[A] Negative (ii) In displacing the body from x = – 4 to x = – 2[B] Positive(iii) In displacing the body from x = – 2 to x = + 2[C] Zero

A force F = kx (where k is a positive constant) is acting o…

Physics Work, Energy, Power and Collision Mix MCQ (Single Correct)

A force F = kx (where k is a positive constant) is acting on a particle. Work done :

Column I	Column II
(i) In displacing the body from x = 2 to x = 4	[A] Negative
(ii) In displacing the body from x = – 4 to x = – 2	[B] Positive
(iii) In displacing the body from x = – 2 to x = + 2	[C] Zero

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Ans.

(i) [B]

(ii) [A]

(iii) [C]

Sol. (i) Positive

(ii) Negative

(iii) Zero

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