Equations Flashcards by joseph moore

Q

Speed

A

Distance/time

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Velocity

A

Displacement/time

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Force (1)

A

Mass x acceleration

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Moment (1)

A

Force x distance

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Moment (2)

A

Force x gear radius

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Weight

A

Mass x g

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Momentum (kg m/s)

A

Mass x velocity

P=mv

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Force (2)

A

Mass x change in velocity/time taken

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Force (3)

A

Spring constant x extension

F(N) = k(N/m) x e

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Work done

A

Fd

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Pressure

A

F/A

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Acceleration

A

Change in velocity/time taken

Change in velocity = final v - initial v

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Resultant force

A

Ma

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Momentum

A

P=mv

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Kinetic energy

A

1/2 x mass x speed2

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

GPE

A

Ep = mgh

Q

Efficiency

A

Useful energy output/total energy input

Or

Useful power output/total power input

Q

Density

A

P= m/v

Q

Work done

A

Fd

Q

Pressure

A

F/A

Q

Acceleration

A

Change in velocity/time taken

Change in velocity = final v - initial v

Q

Resultant force

A

Ma

Q

Kinetic energy

A

1/2 x mass x speed2

Q

GPE

A

Ep = mgh

Q

Efficiency

A

Useful energy output/total energy input

Or

Useful power output/total power input

Q

Density

A

P= m/v