P2.2.1 Forces and Interactions

Question 1

What 3 things happen in an interaction pair

Answer 1

• Each Force Acts on a different object
• The forces are the same size and type
• The forces act in opposite directions

Question 2

What are non contact forces and give 3 examples

Answer 2

A force that interacts without being in contact with each other
E.G:

Electrostatics
Magnetism
Gravity

Question 3

Why do Non Contact Forces Arise

Answer 3

They arise because charges magnets and masses interact at a distance

Question 4

What is a field

Answer 4

A field is a region where an electrical charge, a magnetic material, or a mass experiences a force

Question 5

What is a contact force and give 3 examples

Answer 5

A force that requires contact to occur

EG

Friction
Drag
Normal contact force
Upthrust
Tension