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Forces The force that opposes all motion and is caused by rubbing. FRICTION The force that pulls all objects toward the center of the earth at 9.8meters per second/ per second. GRAVITY When a deforming force is removed an object will return to its original shape. ELASTICITY A push or pull on an object that can result in a change in shape, direction or velocity of the object. FORCE The force that pulls away from center. CENTRIFUGAL The rate of distance covered in a certain amount of time. The Sonic Wind - 760mph Utah Salt Flats VELOCITY A change in velocity. • The Cyclone ACCELERATION Stored energy as a result of doing work on an object. POTENTIAL ENERGY Force X Distance. Force exerted on an object through a distance. WORK The product of the mass of an object times it velocity. MOMENTUM The weight of an object to be moved. RESISTANCE A state in which 2 opposing forces are in balance. EQUILIBRIUM A twisting or turning force. TORQUE A center seeking force CENTRIPETAL The tendency of a body to resist a change in its motion. The tendency of an object to keep on doing what it is doing. INERTIA The energy of motion. KINETIC ENERGY The force that moves a resistance. Applied force. EFFORT The ability to do work and make things move. ENERGY Amount of matter in an object. MASS Measure of the pull of gravity on an object. WEIGHT