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UPSC NDA I 2013 General Ability Paper

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Question : 96

Total: 150

A force F is applied on a body (which moves on a straight line) for a duration of 3s. The momentum of the body changes from 10gcm∕s to 40gcm∕s. The magnitude of the force F is

10 dynes
10 newtons
120 dynes
12 dynes

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