The momentum of an object changes from 20 kg m/s to 5 kg m/s in 3 sec. The value of the applied force will be ______?
Everyday Science / Physics — Multiple-choice practice
- A. 5 N
- B. 15 N
- C. 10 N
- D. None of these
Correct answer
5 N
Explanation
Explanation Change in momentum = 20 − 5 = 15 kg·m/s Time = 3 s → Force = 15 / 3 = 5 N
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