Newtons law of motion Flashcards

1
Q

Force

A

A push or pull exerted on an object in order to change the motion of the object.

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2
Q

Motion

A

A change in position over time.

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3
Q

Net force

A

A combination of all the forces acting on an object.

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4
Q

Speed

A

Distance traveled per rate of time. (Speed = distance/time)

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5
Q

Velocity

A

The speed and direction of an object.

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6
Q

Acceleration

A

The rate at which velocity changes over time.

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7
Q

Newton’s first law

A

An object at rest will remain at rest and an object in motion will remain in motion unless acted upon by an outside force.

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8
Q

Newton’s second law

A

Force = mass x acceleration

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9
Q

Newton’s third law

A

For every action there is an equal but opposite reaction.

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10
Q

Inertia

A

The tendency of an object to resist being moved or, if the object is moving, to resist a change in speed or direction until an outside force acts on the object.

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11
Q

Friction

A

A force that resists motion.

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12
Q

Mass

A

The amount of matter in an object.

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