Kinematics Vocab Pt1 Flashcards

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1
Q

Kinematics

A

How things move

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2
Q

Distance

A

Length between objects

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3
Q

Displacement

A

Change in position of an object

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4
Q

Velocity

A

How fast something moves from one thing to another

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5
Q

Speed

A

How fast something moves

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6
Q

Vector

A

Arrows consisting of magnitude and direction

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7
Q

Scalar

A

Physical quantity only described by magnitude

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8
Q

Projectile

A

An object driven or projected forward

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9
Q

Force

A

The push or pull on an object with mass causes it to change its velocity

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10
Q

Conservation of momentum

A

when two objects collide in a closed system

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11
Q

Length-meter

A

Measurement of distance in meters

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12
Q

Time-second

A

the measure of a change in a physical quantity or a magnitude used to quantify the duration of events

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13
Q

Amount of substance (mole)

A

SI unit of amount of substance

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14
Q

Electric current-ampere

A

the flow of electrical charge carriers like electrons

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15
Q

Temperature-kelvin

A

describes the average kinetic energy of molecules within a material or system

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16
Q

Luminous intensity-candela

A

A way to describe how much light is Emmettd from a source in a specific direction

17
Q

Acceleration

A

rate at which velocity changes with time, in terms of both speed and direction

18
Q

Average speed

A

add up the total distance traveled. Then divide this by the total time spent traveling

19
Q

Elapsed time

A

the amount of time that passes from the start of an event to the finish of the event

20
Q

Free fall

A

the motion of an object where gravity is the only force acting upon it

21
Q

Instantaneous speed

A

the speed of an object at a particular moment in time

22
Q

Rate

A

How fast something is changing in relation to something else

23
Q

Relative

A

the motion of one object with respect to another object

24
Q

Component

A

Each part of a two-dimensional vector

25
Q

Resolution

A

the ability to separate two signals

26
Q

Resultant

A

equal to the sum of the forces acting on an object

27
Q

Satellite

A

an object that moves around a larger object