When a force is applied to an object it causes an acceleration that is inversely proportional to the mass of the object and directly proportional to the net force applied.

This law can be expressed mathematically as F=ma (force = mass x acceleration)

What effect do different forces have if applied to objects of the same mass?
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What effect does a constant force have when it is applied to objects of different masses?
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Carts With Spring Balance

Who Pushed That Speeding Car?