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Willard Science 12
Chapter 12 Key Terms
Question | Answer |
---|---|
Inertia | The tendency of an object to resist a change in motion unless an outside force acts on the object. |
Weight | A measure of the gravitational force on an 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. |
Momentum | A quantity defined as the product of the mass and velocity of an object. |