Motion and forces Flashcards

0
Q

A location in which another location is compared.

A

Reference Point

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1
Q

An object’s location.

A

Position

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2
Q

A change of position of time.

A

Motion

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3
Q

A measure of how fast something moves through a particular distance over a definite time period. Speed is distance divided by time.

A

Speed

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4
Q

A speed in a specific direction.

A

Velocity

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5
Q

A quantity that has both size and direction.

A

Vector

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6
Q

The rate at which velocity changes over time.

A

Acceleration

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7
Q

A push or pull ; something that changes the motion of an object.

A

Force

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8
Q

The overall force acting on an object when all of the forces acting on it are combined.

A

Net force

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9
Q

A scientific law stating that objects at rest and objects in motion remain in motion with the same velocity, unless acted on by a nun balanced force.

A

Newton’s first law

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10
Q

The resistance of an object to a change in the speed or the direction of its motion.

A

Inertia

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11
Q

A scientific law stating that the acceleration of an object increases with increased force and decreases with increased mass.

A

Newton’s second law

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12
Q

Any force that keeps an object moving in a circle.

A

Centripetal force

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13
Q

A scientific law stating that every time one object exerts a force on another object, the second object exerts a force that is equal in size and opposite in direction back on the first object.

A

Newton’s third law

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