SI UNITS Flashcards by Bonnie hill | Brainscape

Q

What is weight?

A

The force an object experiences due to gravity

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What are the units for mass?

A

KG

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What is are the units for temp?

A

Kelvin

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What are the units for current?

A

Ampere

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What are the units for luminous intensity?

A

candelaW

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What are the units for amount of substance?

A

Mol

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What is the unit for density?

A

kgm-3

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What is the definition of density?

A

Mass per unit volume

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What is the unit for force?

A

Newtons or kg ms-2

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What is the definition of force?

A

Mass x Acceleration

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What is the unit for pressure?

A

Pascals/Pa

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What is the definition of pressure?

A

Force per unit area

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What is the unit for Energy?

A

Joules

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What is the definition for energy?

A

Force x Distance

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What is the unit for power?

A

Watts

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What is the definition for power?

A

Energy per unit time

Q

What is a dimensionless quantity?

A

A quantity without a unit
E.g. angles (radians)

Q

What is the different between temp and heat?

A

Heat is energy in joules and can be turned into different forms
Temperature cannot be turned into a different form

Q

What is the unit for length?

A

Metres

Q

What is the equation for strain?

A

Extension/length
No units

Q

What is the unit for an angle?

A

Arc length/ radius
No units