1.1- Physical Quantaties Flashcards

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1
Q

State the 6 SI base units

A

Mass-Kilogram
Time- second
Length- meter
Current- ampere
Temperature- kelvin
Amount of substance- moles

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2
Q

Prefixes and multiplication factor ( in relation to meters )

A

Femto- 10^-15
Pico- 10^-12
Nano-10^-9
Micro-10^-6
Milli-10^-3
Centi- 10^-2
Kilo-10^3
Mega-10^6
Giga-10^9
Tera-10^12

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3
Q

Define the term - base units -

A

Units from which all other units are derived

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4
Q

What is a SI derived unit

A

Units which consist of two or more base units
Some have names, some don’t

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5
Q

What is a Homogeneous equation?

A

Equations where the base units are the same on each side
Inhomogeneous equations are nonsensical

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