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# Week 3

### Friction

Physics The branch of Science dealing with matter and energy. Scientists who work in physics are called physicists. They study such things as moving objects.
Potential energy stored energy
Kinetic Energy The energy of a moving object. conservation - In physics, the idea that something cannot be destroyed. For example, energy is always conserved, but may change from one form to another.
Center of gravity The point in an object where the objectâ€™s weight seems to be centered.
Effort The amount of force needed to move and object from one place to another.
G-force The force that acceleration puts on a coaster rider.
centrifugal force Movement or tending to move away from a center.
positive g Force makes you feel heavier.
negative g-forces Makes you feel like you are going to fly off the ride.
Created by: 1472582

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