1.2 - Scalars & Vectors Flashcards
1
Q
Define a scalar quantity
A
A quantity that requires only a magnitude and unit
2
Q
Define a vector quantity
A
A quantity that requires a magnitude unit and direction
3
Q
State two requirements for a body to be in equilibrium
A
1) Sum of the horizontal forces and sum of vertical forces must = 0
2) The sumation of the moments abiut any point must = 0
4
Q
Give three examples of a scalar
A
Speed, distance, time
5
Q
Give three examples of vectors
A
Displacement, velocity and acceleration
