Equations and measurements➗ Flashcards by Georgina Bridges

Q

What is the equation for WORK DONE?

A

WORK DONE = FORCE x DISTANCE

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What is the equation for POWER (mechanical)?

A

POWER = WORK DONE ÷ TIME TAKEN

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What is the equation for EFFICIENCY?

A

EFFICIENCY = USEFUL ENERGY OUTPUT ÷ TOTAL ENERGY OUTPUT

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What is the equation for POWER (electrical)?

A

POWER = CURRENT x VOLTAGE

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What is POWER measured in?

A

Watts (w)

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What is CURRENT measured in?

A

Amperes (A)

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What is VOLTAGE measured in?

A

Volts (v)

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What is WORK DONE measured in?

A

Joules ( J)

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What is FORCE measured in?

A

Newtons (N)

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What is DISTANCE measured in?

A

Metres (m)

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What is TIME TAKEN measured in?

A

Seconds (s)

How well did you know this?

1

Not at all

2

3

4

5

Perfectly