Intro To Forces

Question 1

Push

Answer 1

A type of force

Question 2

Pull

Answer 2

Type of force opposite to push

Question 3

Contact force

Answer 3

A force that acts when an object is in contact with a surface - I.e air/water

Question 4

Friction

Answer 4

Resist movement because of contact between forces

Question 5

Air resistance

Answer 5

Force on an object moving through the air that causes it to slow down
-aka drag

Question 6

Non contact force

Answer 6

• acts with/between objects, not in contact

- Magnetic, electrostatic, gravitational forces

Question 7

Interaction pair

Answer 7

When two object interact with each other there is a force on each one that is the same size but in opposing directions

Question 8

Newton

Answer 8

Unit of force

Symbol N

Question 9

Newtonmeters

Answer 9

Piece of equipment used to measure weight in Newton’s

Question 10

Gravity

Answer 10

A non contact force

Acts between two masses

Question 11

Force arrows

Answer 11

Shows direction/ size of force

Must touch the object

Question 12

Support force

Answer 12

Contact force

Eg upthrust

Question 13

Example of an interaction pair

Answer 13

Gravity and support force