1.

Aforce F is applied on a body (which moves on a straight line) for a duration of 3 s. The momentum ofthebody changes from 10 g cm/s to 40 g cm/s. The magnitude of the force F is

A. 10 dynes
B. 10 nevvtons
C. 120 dynes
D. 12 dynes
Answer» B. 10 nevvtons


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