Quantities and units maths Flashcards
1
Q
mass unit and symbol (base)
A
kilogram, kg
2
Q
length/displacement unit and symbol (base)
A
metre, m
3
Q
time unit and symbol (base)
A
seconds, s
4
Q
what is a base unit?
A
most commonly used in mechanics
5
Q
speed/velocity unit and symbol (derived)
A
metres per second, m s^-1
6
Q
acceleration unit and symbol (derived)
A
metre per second per second, m s^-2
7
Q
weight/force unit and symbol (derived)
A
newton, N (kg m s^-2)
8
Q
what is a derived unit?
A
compound units built from base units
