Chapter 1 (physical quantities, units, and measurements) Flashcards
1
Q
What are scalar quantities.
Give examples.
A
Scalar quantities are physical quantities that have ONLY MAGNITUDE
Distance, Speed, Mass, Energy, Time
2
Q
What are vector quantities.
Give examples.
A
Vector quantities are physical quantities that have BOTH DIRECTION AND MAGNITUDE
Displacement, Velocity, Acceleration, Force, Weight
3
Q
What is speed.
Formula of speed.
A
Speed is the distance moved per unit time
Speed = distance/time
4
Q
What is velocity.
Formula of velocity
A
Velocity is the rate of change of displacement
Velocity = displacement/time taken
