click below
click below
Normal Size Small Size show me how
Chapter 6 - PS
Chapter 6 Vocabulary - Forces and Motion
Word | Definition |
---|---|
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 |
free fall | the motion of a boy when only the force of gravity is acting on the body |
projectile motion | the curved path that an object follows when thrown, launched, or otherwise projected near the surface of the earth |
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 |
momentum | a quantity defined as the product of mass and velocity of an object |