Chapter 1 - Physical Quantities, Units And Measurement Flashcards
SI unit and symbol of length
Meter. m
Unit of base quantities?
SI units
SI unit and symbol of mass
Kilogram. Kg
SI unit and symbol of time
Second. S
SI unit and symbol of Electric current
Ampere. A
SI unit and symbol of temperature
Kelvin. K
Celsius. C
SI unit and symbol of amount of substance
Mole. Mol
SI unit and symbol and expression of force
Newton. N. (m kg)/s^2
SI unit and symbol and expression of pressure
Pascal. Pa. kg/(m s^2) or N/m^2
SI unit and symbol and expression of energy,work,quantity of heat
Joule. J. (m^2kg)/s^2
Length can be measured with? (4)
Meter rule, tape measure, calipers, screw gauge
Time is usually measured in?
Hours minutes seconds
Time can be measured using
Pendulum clock, stopwatch
What are scalar quantities
Quantities that can be fully described by magnitude only
What are vector quantities
Quantities that can be fully described by both magnitude and direction
