Physicshard · Past Paper
A force of 10 N acts on a body of mass 2 kg for 3 seconds. The change in momentum is:
A30 kg m/s
B15 kg m/s
C60 kg m/s
D6 kg m/s
✓ Correct Answer: A — 30 kg m/s
Impulse = Force * time = Change in momentum. So, 10 N * 3 s = 30 kg m/s.
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