Key Words

Question 1

Air Resistance

Answer 1

The force an object creates by moving at a speed through the air.

Question 2

Balanced

Answer 2

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

Question 3

Compress

Answer 3

To squash it 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 moving object 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 object will not return to its original size or length when 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 in which something feels a force.

Question 13

Friction

Answer 13

The force that resists movement because of contact between surfaces.

Question 14

Gravity

Answer 14

A non-contact force between two masses.

Question 15

Lubrication

Answer 15

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

Question 16

Non-contact force

Answer 16

A magnetic, electrostatic, or gravitational force that acts between objects not in contact.

Question 17

Reaction

Answer 17

The support force provided by a solid object like a floor.

Question 18

Resistive forces

Answer 18

Any forces that slow down a moving object.

Question 19

Tension

Answer 19

A stretching force.

Question 20

Unbalanced

Answer 20

Opposing forces of an object that are unequal.

Question 21

Weight

Answer 21

The force of the Earth on an object due to its mass.