Flame Institute SCF 18 Near Chawla Lights Phase 7 Mohali Chandigarh 9888949978

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Flame SCF 18 Near Chawla Lights Ph-7 Mohali 9888949978

34. A uniform meter scale balances at the 40 cm mark when weights of 10g and 20g are suspended from the 10 cm and 20cm marks. The weight of the metre scale is

(a) 50g

(b) 60g

(c) 70g

(d) 80g

Ans. c

5/5 - (1 vote)

PrevPreviousAssertion : The work done during a round trip is always zero. Reason : No force is required to move a body in its round trip.

NextAssertion : The change in kinetic energy of a particle is equal to the work done on it by the net force. Reason : Change in kinetic energy of particle is equal to the work done only in case of a system of one particle.Next

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