force
2013-04-17 4:24 am
When a car starts to accelerate, would the ground provide a stronger or weaker normal reaction on former or latter wheels? Please give a brief explanation.
回答 (1)
2013-04-17 8:00 am
✔ 最佳答案
When a car accelerates, the normal reaction on the rear wheels is larger than that on the front wheels.As the car accelerates forward, the inertia force acts backward. This gives a moment about the rear wheels. Such moment tends to lift up the front wheel, thus reducing its normal reaction.
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https://hk.answers.yahoo.com/question/index?qid=20130416000051KK00256