Quantities and Units Flashcards
1
Q
Quantity = mass what is the unit and symbol?
A
Unit- kilogram
Symbol-kg
2
Q
Quantity = length / displacement what is the unit and symbol?
A
Unit- metre
Symbol=m
3
Q
Quantity=time what is the unit and symbol?
A
Unit-seconds
Symbol = s
4
Q
What are the base SI unite most commonly used in mechanics?
A
Mass, length, time
kg, M , s
5
Q
What are derived units
A
Compound units built from base units
6
Q
What are derived units
A
Speed/velocity
Acceleration
Weight/force
7
Q
Quantity- speed/velocity what is the unit and symbol?
A
Unit- metres per second
Symbol- ms^-1
8
Q
Quantity=acceleration what is the unit and symbol?
A
Unit = metres per second per second
Symbol=ms^-2
9
Q
Quantity =weight/force what is the unit and symbol?
A
Unit=Newton
Symbol = N(=kg m s^_2)
