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Ch. 11 Holt
Forces
Term | Definition |
---|---|
Inertia | the tendency of an object to resist being moved or, if the object is moving, to resist a change in speed or direction until an outside force acts on the object. |
Free Fall | the motion of a body when only the force of gravity is acting on the body. |
Terminal Velocity | the constant velocity of a falling object when the force of air resistance is equal in magnitude and opposite in direction to the force of gravity. |
Projectile Motion | the curved path that an object follows when thrown, launched, or otherwise projected near the surface of Earth; the motion of objects that are moving in two-dimentions under the influence of gravity. |
Momentum | a quanitity defined as the product of the mass and velocity of an object. |