1.1 phsyical quantities, base and derived units

whats the unit for length

metres

whats the unti for mass

kilogram

whats the unit for time

seconds

whats the unit for current

amps

whats the unit for temperature

kelvin

whats the unit for amount of substance

mole

whats the multiple for pico (p)

10^-12

whats the multiple for nano (n)

10^-9

whats the multiple for micro μ

10^-6

whats the multiple for milli m

10^-3

whats the multiple for kilo k

10³

whats the multiple for mega M

10⁶

whats the multiple for giga G

10⁹

whats the multiple for tera T

10¹²

define physical quantity

any quantity which can be measured

define derived quantity

a quantity made up of two or more basic quantities

whats the unit for area

m²

whats the unit for volume

m³

whats the unit for density

kgm^-3

whats the unit for velocity

ms^-1

whats the unit for acceleration

ms^-2

whats the unit for force

kgms^-2

whats the unit for work

kgm²s^-2

whats the unit for energy

kgm²s^-2

whats the unit for pressure

kgm^-1s^-2

whats the unit for power

kgm^ss^-3

whats the unit for voltage

kgm²s^-3A^-1

whats the unit for resistance

kgm²s^-3A^-2