Some confusion about balanced forces..
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Feb11-13, 11:37 AM
My question is:
1)When an object falls to the ground, shouldn't the ground exert a force greater than the weight of the object to stop its motion altogether? Because if the forces experienced by the object the moment it strikes the ground are equal and opposite in direction, then that should only stop the object from accelerating further and it should continue moving with the velocity it had the instant before the forces cancelled.
Your thinking is quite correct. In order to stop the object, the force from the ground must be greater that the object's weight. (At least for some time.)
Why do you think that is a problem?