A truck that is stopped on the road has to be pushed hard to get into motion. When the truck is moving a little, it can be moved faster with a smaller /less push. Why?
A truck that is stopped on the road has to be pushed hard to get into motion. When the truck is moving a little, it can be moved faster with a smaller /less push. Why?
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It can be can be move with smaller force because it has crossed the static friction now it haveonly the kinetic friction which is low and second way we can say that the body is starred moving so no static force is required...
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