What is a physical quantity?
Something that can be measured
The size of a numerical value
A measurement with no units
What does 'magnitude' mean?
What is a scalar quantity?
A physical quantity that has magnitude and an associated direction
A physical quantity that has an associated direction only
A physical quantity that has magnitude only
What is a vector quantity?
Which of these is a scalar quantity?
Acceleration
Velocity
Speed
Force
Energy
Which of these is a vector quantity?
Displacement
Distance travelled
Temperature
Thermal energy
Momentum
Which of these is NOT a vector?
200 metres west
20 kilometres
2 metres upwards
What does the length of a drawn vector arrow represent?
The magnitude of the vector
The direction of the vector
The magnitude and direction of the vector