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10 Terms
1
Newton's First Law
Objects at rest stay at rest, and objects in motion stay in motion unless acted upon by an outside force.
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2
Inertia
The tendency of an object to resist being moved or, if moving, to resist a change in speed or direction until an outside force acts on it.
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3
Newton's Second Law
Force is equal to mass multiplied by acceleration; the acceleration of an object depends on the amount of force applied and the object's mass.
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4
Law of Universal Gravitation
Every particle attracts every other particle with a force directly proportional to the product of their masses and inversely proportional to the square of the distance between them.
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5
Free Fall
The motion of a body when only the force of gravity is acting on it.
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6
Weight
The force exerted on a body by gravity.
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7
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.
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8
Projectile Motion
The curved path an object follows when thrown or launched near the surface of Earth; involves motion in two dimensions under the influence of gravity.
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9
Newton's Third Law
For every action, there is an equal and opposite reaction.
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10
Momentum
A quantity defined as the product of the mass and velocity of an object.
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