## Holt Physical Science Ch 6

##### Created by:

goldenstacy  on May 14, 2012

Physical Science

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# Holt Physical Science Ch 6

 Terminal VelocityConstant velocity of a falling object when the force of air resistance is equal in magnitude and opposite in direction to the force of gravity
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#### Definitions

Terminal Velocity 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 Motion of a body when only the force of gravity is acting on the body
Projectile Motion Curved path that an object follows when thrown, launched or otherwise projected near the surface of Earth
Newton's First Law An object at rest remains at rest, an object in motion remains in motion at constant speed and in a straight line unless acted upon by an unbalanced force
Inertia Tendency of all objects to resist any change in motion
Newton's Second Law of Motion Acceleration of an object depends on the mass of the object and the amount of force applied
Newton's Third Law of Motion Whenever one object exerts a force on a second object the second object exerts an equal and opposite force on the first
Momentum Quantity defined as the product of the mass and velocity of an object

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