Which one of the following statements for second law of motion is NOT correct ?
- A. The net force on a body is proportional to that body's acceleration
- B. The net force on a body is in the same direction as the acceleration
- C. The time rate of change of momentum is equal to force
- D. The net force on a body is proportional to that body's momentum ✓
Correct Answer: D. The net force on a body is proportional to that body's momentum
Explanation
According to Newton's second law, net force is proportional to the rate of change of momentum, not the momentum itself.
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