Science Flashcards

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0
Q

Reference point

A

A location to which another location is compared

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1
Q

Position

A

An objects location

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2
Q

Motion

A

A change of position over time

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3
Q

Speed

A

A measure of how fast something moves through a particular distance over a definite time period

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4
Q

Velocity

A

A speed in a specific direction

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5
Q

Vector

A

A quantity that has both size and direction

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6
Q

Acceleration

A

The rate at which velocity changes over time

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7
Q

Force

A

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

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8
Q

Net force

A

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

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9
Q

Newton’s first law

A

A scientific law stating that objects at rest remain at rest

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10
Q

Inertia

A

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

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11
Q

Newton’s second law

A

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

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12
Q

Centripetal force

A

Any force that keeps an object moving in a circle

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13
Q

Newton’s third law

A

A scientific law stating that every time one object exerts a force on another object

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14
Q

Work

A

E

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15
Q

Joule

A

E