Physics Equations

Question	Answer
Speed (m/s)	Distance _______ Time (scalar)
Acceleration (m/s²)	Change in speed ______________ Time (vector) OR Force ______ Mass
Motion Graphs	Rise ____ Run Image: 832c2c80-3999-4106-8c1b-2dc4f15176ae.gif (image/gif)
Velocity (m/s)	Distance _______ Time (vector)
Energy Efficiency in %	Useful Energy OUT ________________ *100 Energy in
Energy Efficiency	Useful Energy Out ______________ Energy in Image: ba9e7eb8-4e74-49da-b0b7-765ae6f64726.gif (image/gif)
Work Done (J)	Force * Distance
Power (W)	Energy change _________ Time Taken OR Work Done _______ Time Taken
Kinetic Energy (J)	½massvelocity²
Gravitational Potential Energy (J)	massgravityheight
Mass (Kg)	How much substance the object contains
Weight (J)	Mass*Gravity
Density ⍴ (Kg/m³) (g/cm³)	Mass _____ Volume
Force (N)	Mass*Acceleration
Momentum (p) (Kgm/s)	Mass*Velocity
Hooke's Law (N)	Spring Constant * Distance
Moment/Torque	Force * Distance
Pressure pascals (N/m²)	Force ____ Area
Wave Speed (cm/s) (m/s)	Frequency * Wave Length
Wave Length (m)	Speed ________ Frequency
Frequency	Wave Speed ________ Wave Length
Time Period (s)	1 _________ Frequency
Refractive Index	Sinθr N₁ _____ = ___ Sinθi N₂ Image: 58e2431b-d2f3-449f-86cb-2dde36d77d8e (image/jpg)
Speed of Light	3.0 * 10⁸m/s
Kelvin (K)	Celcius + 273
Specific Heat Capacity (J)	Mass * Specific Heat Capacity * Change in Temp
Thermal Capacity (J/K)	Energy In ________________ Temperature Change
Latent Heat Capacity (J)	Mass * Specific Latent
Ohm's Law (voltage)	Current * Resistance
Boyle's Law	Initial Pressure₁ * Initial Volume₁ = Final Pressure₂ * Final Volume₂
Resistance in a Wire (Ω)	Length ________ Area
Transformer	Velocity Number of Cells ________ = _________ Velocity Number of Cells
Charge (amps)	Current (I) * Time
Pressure	Force ______ Area OR Density * Gravity * Height
Electrical Power (W)	Current² * Resistance

Speed (m/s)

Distance _______ Time (scalar)

Acceleration (m/s²)

Change in speed ______________ Time (vector) OR Force ______ Mass

Motion Graphs

Rise ____ Run

Image: 832c2c80-3999-4106-8c1b-2dc4f15176ae.gif (image/gif)

Velocity (m/s)

Distance _______ Time (vector)

Energy Efficiency in %

Useful Energy OUT ________________ *100 Energy in

Energy Efficiency

Useful Energy Out ______________ Energy in

Image: ba9e7eb8-4e74-49da-b0b7-765ae6f64726.gif (image/gif)

Work Done (J)

Force * Distance

Power (W)

Energy change _________ Time Taken OR Work Done _______ Time Taken

Kinetic Energy (J)

½*mass*velocity²

Gravitational Potential Energy (J)

mass*gravity*height

Mass (Kg)

How much substance the object contains

Weight (J)

Mass*Gravity

Density ⍴ (Kg/m³) (g/cm³)

Mass _____ Volume

Force (N)

Mass*Acceleration

Momentum (p) (Kgm/s)

Mass*Velocity

Hooke's Law (N)

Spring Constant * Distance

Moment/Torque

Force * Distance

Pressure pascals (N/m²)

Force ____ Area

Wave Speed (cm/s) (m/s)

Frequency * Wave Length

Wave Length (m)

Speed ________ Frequency

Frequency

Wave Speed ________ Wave Length

Time Period (s)

1 _________ Frequency

Refractive Index

Sinθr N₁ _____ = ___ Sinθi N₂

Image: 58e2431b-d2f3-449f-86cb-2dde36d77d8e (image/jpg)

Speed of Light

3.0 * 10⁸m/s

Kelvin (K)

Celcius + 273

Specific Heat Capacity (J)

Mass * Specific Heat Capacity * Change in Temp

Thermal Capacity (J/K)

Energy In ________________ Temperature Change

Latent Heat Capacity (J)

Mass * Specific Latent

Ohm's Law (voltage)

Current * Resistance

Boyle's Law

Initial Pressure₁ * Initial Volume₁ = Final Pressure₂ * Final Volume₂

Resistance in a Wire (Ω)

Length ________ Area

Transformer

Velocity Number of Cells ________ = _________ Velocity Number of Cells

Charge (amps)

Current (I) * Time

Pressure

Force ______ Area OR Density * Gravity * Height

Electrical Power (W)

Current² * Resistance

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	Created by Hannah McDonald about 9 years ago