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| Newton’s first law was called inertia. The law states that: |
| "An object in motion will stay in motion, and an object at rest will stay at rest, unless acted upon by an outside force." Sir Isaac Newton |
| For example, an object thrown out of a moving airplane will continue to move at its constant speed. |
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Newton published this law in the “Principia Mathematica Philosophiae Naturalis."
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| Without his published works, we would not know the basis of physics. |
| Inertia is an objects reluctance to change its state of motion. This means that if an object is at rest, it will stay at rest, until acted upon by an outside force. This is also dependant on an objects mass. |
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When an object is at rest it is not moving and will not move until a net force acts upon it. |
| Equilibrium is the condition of an object in which competing forces are balanced |
| An object that has constant velocity is moving at a constant speed and in a straight line |
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