Equations Flashcards by Henry Russell

Q

Speed

A

Distance / Time

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Force (not pressure)

A

Mass x Acceleration

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Acceleration

A

Change in speed / Change in time

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Work done

A

Force x Distance

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

K.E

A

0.5 x mass x velocity squared

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

G.P.E

A

M.G.H

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Pressure

A

Force/Area

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Moment

A

Force / Perpendicular distance from pivot

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Charge

A

Q = IT

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Voltage

A

V=IR

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Electrical power

A

P = IV

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Energy transfered

A

ITV

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Wavespeed

A

Frequency x wavelength

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Frequency

A

1 / Time period

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Input voltage / Output voltage =

A

No. of primary turns / No. of secondary turns

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Refractive index

A

Sin 1 / Sin r

Q

Angle of incidence =

A

Angle of incidence = angle of reflection

Q

Critical angle

A

Sin C = 1 / n

Q

Pressure difference

A

H D G

Q

P1V1 =

A

P2V2

Q

Thumb =

A

Force

Q

First finger =

A

Field

Q

Second finger =

A

Current

Q

Input power =

A

Output power

Q

Vp Ip =

A

Vs Is

Q

Pressure and temperature (t in kelvins)

A

P1 / T1 = P2 / T2

Q

Density

A

Mass / Volume

Q

Power (not electrical)

A

Work done / Time

Q

Efficiency

A

Useful energy output / total energy input

Q

Momentum

A

Mass x velocity

Q

Weight

A

Mass x gravity

Q

Orbital speed

A

2 x π x orbital radius / time