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# The 3 Laws of Newton

### All the vocabulary for Newton's 3 Laws of Motion

force a push or a pull
motion
acceleration a change in motion; such as speeding up, slowing down, or changing direction
Newton's 1st Law An object at rest stays at rest, and an object in motion stays in motion UNLESS acted on by an unbalanced force. Also known as the "Law of Inertia".
unbalanced forces they are not equal, and may not be opposite. they result in a change in motion.
balanced forces they are opposite and equal, and result in no change in motion
Newton's 2nd Law The greater the mass of an object, the greater amount of force that is needed to accelerate the object. F = m x a
inertia the tendency of an object to resist change in motion (or to resist stopping). moving objects AND objects that are sitting still have this.
Newton's 3rd Law For every action there is an equal and opposite reaction.
Created by: rhk9
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