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What do vector quantities have?
A magnitude and direction
What are 5 examples of a vector quantity
Force, velocity, displacement, acceleration, momentum
What do scalar quantities have?
Magnitude but no direction
what are 5 examples of scalar quantities?
Speed, distance, mass, temperature, time
What are vector quantities usually represented by?
Arrows
What do the length and direction of vector arrows show
Length shows magnitude and direction shows direction
Name 4 contact forces
Friction, air resistance, tension, normal contact force
Name 3 non-contact forces
Magnetic forces, gravitational forces, electrostatic forces
What is meant by contact force?
A force between 2 objects due to the objects touching
What is meant by non-contact force?
A force between 2 objects which exists when the objects are not touching
What is an interaction pair?
A pair of forces that act on 2 interacting objects, the forces are equal and opposite
Note 
Flashcard (78)