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Forces & Motion Ch 2
Forces & Motion
| Question | Answer |
|---|---|
| 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
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