Forces Flashcards

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0
Q

Newton

A

A unit of measure that equals the force required to accelerate 1 kilogram of mass at 1 meter per second per second.

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1
Q

Force

A

A push or pull exerted on an object.

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2
Q

Net force

A

The overall force on an object when all the individual forces acting on it are added together.

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3
Q

Friction

A
  1. The force that two surfaces exert on each other when they rub against each other. 2. The transfer of electrons from one uncharged object to another uncharged object by rubbing.
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4
Q

Sliding friction

A

Friction that occurs when one solid surface slides over another.

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5
Q

Static friction

A

Friction that acts between objects that are not moving.

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6
Q

Fluid friction

A

Friction that occurs as an object moves through a fluid.

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7
Q

Rolling friction

A

Friction that occurs when an object rolls over a surface.

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8
Q

Gravity

A

The attractive force between objects; the force that moves objects downhill.

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9
Q

Mass

A

The amount of matter in an object.

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10
Q

Weight

A

A measure of the force of gravity acting on an object.

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11
Q

Inertia

A

The tendency of an object to resist a change in motion.

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12
Q

Momentum

A

The product of an object’s mass and velocity.

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13
Q

Law of conserving momentum

A

The rule that in the absence of outside forces the total momentum of objects that interact does not change.

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14
Q

Free fall

A

The motion of a falling object when the only force acting on it is gravity.

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15
Q

Satellite

A

Any object that orbits around another object in space.

16
Q

Centripetal force

A

A force that causes an object to move in a circle.