Mat 2 - Scientific measurement Flashcards
What are the base units of the British metric system ?
Metres
Litres
Grams
How many cm in an inch ?
2.54
How many inches in a foot ?
1 foot = 12 inches
How many feet in a yard ?
3 feet = 1 yard
How many feet in a mile ?
5280 feet in a mile
How many metres in a mile ?
1600 metres = 1 mile
How many ounces in a lb ?
16 ounces = 1 lb
How many lbs in a ton ?
2000 lbs = 1 ton
What are the 3 base units of the British metric system ?
litre
Metre
Gram
What are SI units ?
The modern form of the british metric system
Is the litre an SI unit ? Why ?
the SI unit for volume is the cubic metre (cc)
What is 1 litre in CC ?
1000 cubic centimetres
What is 1 CC in ml ?
1 ml = 1 cubic centimeter
What is the SI unit of length ?
(m)
Metres
What is the SI unit of mass ?
Kilograms
kg
What is the SI unit of time ?
Seconds
s
What is the SI unit of electrical Current ?
Amperes
(A)
What is the SI unit of thermodynamic temperature ?
Kelvin
k
What is the SI unit for the amount of a substance ?
Mole
mol
What is the SI unit for area ?
Square metre
m2
What is the SI unit of volume ?
m3
What is the SI unit for speed and velocity ?
m/s
What is the SI unit for acceleration ?
Metre per second squared
m/s2
What is the SI unit for frequency ?
Hertz
Hz
What is the SI unit for force ?
Newton
N
m•kg•s-2
What is the SI uit for pressure or stress ?
Pascal
Pa
N/m2
What is the SI unit for energy, work and quantity of heat ?
Joule
j
N•m
m2•kg•s-2
What is the SI unit for power ?
Watt
W
J/s
m2•kg•s-3
What is the SI unit for electric charge, or quantity of electricity ?
Coulomb
C
s•A
What is the SI unit for electrical potential difference, or the electromotive force ?
Volts
v
W/A
m2•kg•s-3•A-1
