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Level 43

### Newton's Three Laws & Rockets

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## Ignore words

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Centripetal Force
A force directed towards the center of a circle that causes an object to follow a circular path
3rd Law
Every action has and opposite re-action
Terminal Velocity
Greatest velocity an object can reach is called _______.
1st Law
An object at rest stays at rest, an object in motion stays in motion, UNLESS an UNBALANCED force acts upon it.
2nd Law
Acceleration is produced when a force acts on a mass
circular motion
any motion in which an object is moving along a curved path
balanced forces
forces that are equal in size but opposite in direction
unbalanced force
force acting on an object that causes a change
force pair
Action vs reaction; the forces apply to each other.
law of conservation
principle that the total momentum stays the SAME, never changes, just transfers, unless an unbalanced force acts upon it(friction, heat reduce it)
momentum
(p) vector quantity describing the quantity of motion or inertia in motion. Recognizes that both mass and velocity have a part in the motion of an object and is proportional to both (is zero …