key words

Question 1

Air Resistance

Answer 1

the force of an object moving through the air that causes it to slow.

Question 2

Balanced

Answer 2

Forces acting on a object that are the same size but act in opposite directions.

Question 3

Compress

Answer 3

To squash into a smaller space.

Question 4

Contact Force

Answer 4

A force that acts when an object is in contact with a surface, air or water.

Question 5

Deform

Answer 5

To change shape.

Question 6

Drag Force

Answer 6

The force acting on an object moving through air or water that causes it to slow down.

Question 7

Driving Force

Answer 7

The force that is pushing or pulling something.

Question 8

Elastic Limit

Answer 8

The point beyond which a spring will not return to its original length when the force is removed.

Question 9

Electrostatic Force

Answer 9

The force acting between two charged objects.

Question 10

Equilibrium

Answer 10

Balanced

Question 11

Extension

Answer 11

The amount by which an object gets longer when a force is applied.

Question 12

Field

Answer 12

A region where something feels a force.

Question 13

Friction

Answer 13

The force that resits movement because of contact between surfaces.

Question 14

Gravity

Answer 14

A non-contact force that acts between two masses.

Question 15

Hookes Law

Answer 15

The law that says that if you double the force on an object the extension will double.

Question 16

Interaction Pair

Answer 16

When two objects interact there is a force on each one that is the same but in opposing directions.

Question 17

Lubrication

Answer 17

A substance that reduces friction between surfaces when they rub together.

Question 18

Magnetic Force

Answer 18

The force between two magnets.

Question 19

Mass

Answer 19

The amount of matter a thing is made up of.

Question 20

Newton Meter

Answer 20

A piece of equipment used to measure weight in newtons