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Chapter 12 Vocab > Chapter 12 Vocab > Flashcards

Chapter 12 Vocab Flashcards

1
Q

Newton

A

SI unit for pressure

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2
Q

Net force

A

Overall force acting on an object after all the forces are combined

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3
Q

Friction

A

Force that opposes the motion of objects that touch as they move passed each other.

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4
Q

Static friction

A

Friction force that acts on objects that are moving

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5
Q

Sliding friction

A

Force that opposes the direction of motion of an object as it slides over a surface

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6
Q

Rolling friction

A

Friction that acts on rolling objects.

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7
Q

Fluid friction

A

Opposes the motion of an object through a fluid

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8
Q

Air resistance

A

Fluid friction acting on an object moving through the air

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9
Q

Gravity

A

Force that acts between any two masses

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10
Q

Terminal velocity

A

The constant velocity of a falling object when the force of air resistance equals the force of gravity

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11
Q

Projectile motion

A

Curved path of an object in free fall after it has given an initial forward velocity

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12
Q

Inertia

A

Tendency of an object to resist a change in motion

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13
Q

Mass

A

Measure of the inertia of an object and depends on the amount of matter the object contains

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14
Q

Weight

A

The force of gravity acting on an object

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15
Q

Momentum

A

Product of an objects mass and velocity

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16
Q

Law of conservation of momentum

A

No net force acts on a system, then the total momentum of the system doesn’t change

17
Q

Electromagnetic force

A

Associated with charged particles

18
Q

Strong nuclear force

A

Powerful force of attraction that acts only on the neutrons and protons in the nucleus holding them together.

19
Q

Weak nuclear force

A

An attractive force that only acts over a short range

20
Q

Gravitational force

A

An attractive force that acts between two masses.

21
Q

Centripetal force

A

Center-directed force that continuously changes the direction of an object to make it move in a circle.

22
Q

Force

A

Push or pull that acts on an object

Chapter 12 Vocab (1 decks)

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