Unit 1: Kinematics

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Kinematics

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15 Terms

1

Kinematics

the study of motion without considering the forces causing the motion.

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2

Displacement

the change in position of an object. It is a vector quantity, meaning it has both magnitude and direction.

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3
<p>Velocity</p>

Velocity

the rate at which an object's displacement changes over time. It is a vector quantity.

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4
<p>Acceleration</p>

Acceleration

the rate at which an object's velocity changes over time. It is a vector quantity.

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5
<p>Speed</p>

Speed

the rate at which an object travels over a distance. It is a scalar quantity, meaning it only has magnitude and no direction.

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6

Scalar quantity

a quantity that has only magnitude and no direction, such as speed or mass.

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7

Vector quantity

a quantity that has both magnitude and direction, such as velocity or force.

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8

Position

the location of an object in space. It is often measured relative to a reference point.

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9

Time

a dimension in which events occur in a sequence. It is often measured in seconds.

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10

Distance

the total length traveled by an object, regardless of direction. It is a scalar quantity.

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11

Displacement-time graph

a graph that shows the change in an object's displacement over time.

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12

Velocity-time graph

a graph that shows the change in an object's velocity over time.

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13

Acceleration-time graph

a graph that shows the change in an object's acceleration over time.

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14

Uniform motion

when an object travels with a constant velocity (i.e. no acceleration).

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15

Uniformly accelerated motion

when an object accelerates at a constant rate.

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