Flashcards in Physics Equations (from memory) Deck (27):

1

## What is the Earth's gravitational field strength? (Equation AND actual Numerical value(s))

###
• Weight / Mass

• 10 / 9.8 / 9.81

2

## Equation for Weight?

### Mass x Gravitational Field Strength

3

## Work Done? (2 ways)

###
• Force x Distance

• Power x Time

4

## How could you find spring constant?

### Force applied to the spring / extention

5

## How would you find extension?

### Force applied to the spring / spring constant

6

## How do you calculate the force applied to a spring?

### Spring constant x Extension

7

## What are the 3 equations for force?

###
• Work Done / Distance

• Moment of a Force /Distance

• Pressure x Area

8

## Density?

### Mass / Volume

9

## Volume?

### Mass / Density

10

## Pressure?

### Force / Area

11

## How would you find the area of a surface?

### Force Applied / pressure

12

## How would you find speed?

### Distance / Time

13

## Resultant Force?

### Mass x Acceleration

14

## What are the 2 ways to find acceleration?

###
• Change in Velocity / Time taken

• Resultant Force / Mass

15

## How could you find Velocity? (2/3 ways)

###
• Acceleration x Time taken (finds change in Velocity)

• √Kinetic Energy / (0.5 x Mass)

• Momentum / Mass [HIGHER TIER ONLY]

16

## Kinetic Energy?

### 0.5 x Mass x (Velocity)²

17

## Gravitational Potential Energy?

### Mass x Gravitational Field Strength x Height

18

## State how to find the height of something

### Gravitational Potential Energy / (Mass x Gravitational Field Strength)

19

## Energy Transfer? (4 ways)

###
• Power x Time

• Charge Flow x Potential Difference

• Useful Out Put Energy Transfer / Efficiency (total input energy transfer)

• Total Input Energy Transfer x Efficiency (useful output energy transfer)

20

## Momentum? [HIGHER TIER ONLY]

### • Mass x Velocity

21

## Wavespeed?

### Frequency x Wavelength

22

## Wavelength?

### Wavespeed / Frequency

23

## Frequency?

### Wavespeed / Wavelength

24

## What are the 2 ways to find charge flow?

###
• Current x Time

• Energy Transferred / Potential Difference

25

## List the 4 ways to find current

###
• Charge Flow / Time

• Potential Difference / Resistance

• Power / Potential Difference

• √Power / Resistance

26

## Potential Difference? (3 ways)

###
• Current x Resistance

• Power / Current

• Energy Transferred / Charge Flow

27