Forces Flashcards
1
Q
What is the unit of force
A
Newton(N)
2
Q
What is the measuring instrument used to measure a force
A
Newton-meters
3
Q
What do force arrows show
A
Size and direction of the force
4
Q
What are contact forces
A
Contact forces are forces that have to be physically touching to do something
5
Q
What are different types of contact forces
A
Air resistance, friction, upthrust, tension
6
Q
What is a non contact force
A
A non contact force is a force that doesnt have to have physical touch with something to work
7
Q
Name non contact forces
A
Gravity, magnetic and electrostatic
