Physics kinematics

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Last updated 3:29 AM on 9/14/26
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33 Terms

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<p>Linear</p>

Linear

Where the dependent variable (output) and the independent variable (input) are made into a line

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<p>Regression</p>

Regression

Bringing in, reduce

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Kinematics

-Motion (like kinetic)

-Analyzing motion

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<p>Linear regression</p>

Linear regression

For the line of best fit, the coordinates use regression to bring in the points to a linear shape o that the line of best fit can go through all points

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X variable, axis

Manipulated variable or independent variable

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Y variable/axis

Responding variable, dependent variable

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<p>Trend line</p>

Trend line

Follows the trend of the data

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To convert m/s to km/h you..

Multiply by 3

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To convert km/h to m/s you..

Divide by 3

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In the formula: K = T2/r3

What are each of the variables?

K = kepler’s constant (Days2/Au3)

T = period (days)

r = radius (Au)

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Uniform motion

Object that is moving in a straight line at a constant speed

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Why is uniform motion difficult?

-Difficult in the real world, hard to achieve

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Non uniform motion

Object that is getting faster or slower OR/AND does not move in a STRAIGHT LINE (moving in circle or curve)

<p>Object that is getting faster or slower OR/AND does not move in a STRAIGHT LINE (moving in circle or curve)</p>
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Scalar

Number with magnitude only (Big num or small num)

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Vector

Numbers with magnitude and direction

-Has arrows on the variable)

<p>Numbers with magnitude and direction </p><p>-Has arrows on the variable)</p>
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Distance

d

  • Measured in meters (m)

  • scalar


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speed

v

  • Measured in meters per second (m/s)

  • scalar


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Time

t

  • Measured in seconds (s)

  • scalar


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Mass

m

  • Measured in kilograms (kg)

  • scalar


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Energy

-E or W

  • Measured in joules (J)

  • scalar


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Work

-E or W

  • Measured in joules (J)

  • scalar


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Power


  • Measured in watts (W)

  • scalar


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Displacement


  • Measured in meters (m)

  • Vector


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Velocity


  • Measured in meters per second (m/s)

  • Vector


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Force


  • Measured in newtons (N)

  • Vector

-F

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Acceleration


  • Measured in meters per second squared (m/s2)

  • Vector


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Direction notation for north

-90 degrees

-up

-positive

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Direction notation for west

-180 degrees

-negative

-backwards

-left

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Direction notation for south

-270 degrees

-down

-negative

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Direction notation for east

360 or 0 degrees

-right

-positive

-forwards

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Distance

how far a object travels (m)

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how much is 1km in meters

1000m

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Displacement

The relative change in position of an object from the beginning to the end (m)