Forces And Speed Key Words

Question 1

Air Resistance

Answer 1

The force on an object moving through the air that causes it to slow down (also known as drag)

Question 2

Balanced

Answer 2

Forces acting on an 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

A 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 points

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 resists movement because of contact between surfaces

Question 14

Gravity

Answer 14

A non-contact force that acts between two masses

Question 15

Hooke’s law

Answer 15

That 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 size but in opposing directions

Question 17

Kilogram (Kg)

Answer 17

A unit of mass, symbol kg

Question 18

Lubrication

Answer 18

A substance that reduces friction between surfaces when they rub together

Question 19

Magnetic force

Answer 19

A force between two magnets, or a magnet and a magnetic material

Question 20

Mass

Answer 20

The amount of matter (stuff) a thing is made up of

Question 21

Newton (N)

Answer 21

The unit of force, symbol (N)

Question 22

Newton meter

Answer 22

A piece of equipment used to measure weight in Newton’s

Question 23

Non-contact force

Answer 23

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

Question 24

Pull

Answer 24

A type of force

Question 25

Push

Answer 25

A type of force

Question 26

Reaction

Answer 26

The support force provided by a solid surface like a floor

Question 27

Resistive forces

Answer 27

Any forces that act to slow down a moving objects

Question 28

Streamlined

Answer 28

Shaped to reduce resistance to motion from air or water

Question 29

Tension

Answer 29

A stretching force

Question 30

Unbalanced

Answer 30

Opposing forces on an object that are unequal

Question 31

Water resistance

Answer 31

The force on an object moving through water that causes it to slow down (also known as drag)

Question 32

Weight

Answer 32

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