Topic 9 Forces And Their Effects Flashcards
1
Q
How can objects interact with a distance?
A
At a distance without contact you can use gravitational, electrostatic and magnetic fields
2
Q
How can objects interact with objects by contact?
A
Normal contact force and friction
3
Q
How can objects interact with two pairs of forces?
A
Producing town pairs of forces which can be represented as vectors
4
Q
What are scalar quantities?
A
Mass
Speed
Distance
Energy
Temperature
5
Q
What are vector quantities?
A
Force
Weight
Velocity
Displacement
Acceleration
Momentum
6
Q
What is lubrication?
A
It reduces frictional forces
