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# Forces & Motion Ch 2

### Forces & Motion

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. terminal velocity
The force that opposes the motion of objects through air. air resistance
The motion of a body when only the force of gravity is acting on the body. free fall
The curved path that an object follows when thrown, launched, or otherwise projected near the surface of earth. projectile motion
The unbalanced force that causes objects to move in a circular path. centripetal force
Newton's first law of motion is also known as this. law of inertia
An object at rest remains at rest, and an object in motion remains in motion at constant speed and in a straight line unless acted on by an unbalanced force. This is Newton's ___________ law of motion. first
The tendancy of an object to resist being moved. inertia
The acceleration of an object depends on the mass of the object and the amount of force applied. This is Newton's ______________ law of motion. second
Whenever one object exerts a force on a second object, the second object exerts an equal and opposite force on the first. This is Newton's ___________ law of motion. third
Product of mass and velocity of an object. momentum
Created by: halerz