These slides describe and give examples of all three of Newton's Laws.
An object at rest will stay at rest and an object in motion will stay in motion with the same speed and direction unless acted upon by unbalanced force. The unbalanced force of this is gravity and if that was gone and air was gone, the object would keep on going.
the acceleration of an object is dependent upon two variables - the net force acting upon the object and the mass of the object. Objects with mass are hard to move, but go faster, and are hard to stop. So this big man would be hard to stop.
For every action there is an equal and opposite reaction. With this guy on this chair, the chair is pushing a force equal to the force of the guy standing on it.
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