Equations: Units Flashcards
1
Q
what is energy (or work done) measured in?
A
Joules (J)
2
Q
what is mass measured in?
A
kg
3
Q
(what is frequency measured in?)
A
(Hertz –> Hz)
4
Q
what is speed measured in?
A
m/s
5
Q
what is height measured in?
A
metres (m)
6
Q
what is power measured in?
A
Watts (W)
7
Q
what is time measured in?
A
seconds (s)
8
Q
as a…
how can efficiency be shown? (2 ways)
A
as a % or a fraction
9
Q
what is charge measured in?
charge is repressented in equations as Q
A
Coulombs (C)
10
Q
what is current measured in?
A
amps (A)
11
Q
what is potential difference or voltage measured in?
A
volts (V)
12
Q
what is resistance measured in?
A
Ohms (Ω)
13
Q
what is a force measured in?
A
Newtons (N)
14
Q
what is velocity measured in?
A
m/s
15
Q
what is acceleration measured in?
A
(m/s)2
