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HomePhysicsWhen forces   F1 , F2 , F3 , are acting on a particle of mass m such that F2   and F4   are mutually perpendicular, then the particle remains stationary. If the force F1  is now removed then the acceleration of the particle is

When forces   F1 , F2 , F3 , are acting on a particle of mass m such that F2   and F4   are mutually perpendicular, then the particle remains stationary. If the force F1  is now removed then the acceleration of the particle is

(a) F 1  / m                                 (b) F2  F3 / m F1

(c)  (F2 – F3 ) / m                        (d)  F2 / m

Ans. a

(24)

5/5 - (1 vote)

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12. An ideal gas is taken through the cycle A→ B → C → A, as shown in the figure. If the net heat supplied to the gas in the cycle is 5 J, the work done by the gas in the process C → A is

(a)      – 5 J (b)  – 10 J (c)   – 15 J (d)  – 20 J Answer-a (126)

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