Base units Flashcards
1
Q
Temperature base units
A
Kelvin
2
Q
Mass base units
A
Kilogram
3
Q
Length base units
A
Metre
4
Q
Current base units
A
Ampere
5
Q
Time base units
A
Second
6
Q
newtons to base units
A
Newton: Derived unit
Watt: Derived unit, power = (work) energy/ time, power = force x distance/time
W = NM/S
W = kg m ² s -³
7
Q
Potential difference explanation
A
Potential difference (P.D) = work done per unit charge PD = work/charge
8
Q
what is kinetic energy measured in
A
Kinetic energy (Ek) is measured in Joules (J)
9
Q
Pressure equaiton
A
Pressure = force/ area