Asked by Marnal
A motor car in rectilinear motion steadily decelerates to rest in 20s.Using Newton's second law of motion,explain why a higher force is required to stop the car in 10s than in 20s.
Answers
Answered by
drwls
Acceleration is velocity change DIVIDED BY time.
Stopping in less time requires greater acceleration, a.
F = m a
So it also requires more force. Twice as much, in this case.
Stopping in less time requires greater acceleration, a.
F = m a
So it also requires more force. Twice as much, in this case.
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