Forces & speed

Question 1

What force is pushing up on me while i am sat on a stool?

Answer 1

Reaction force

Question 2

What force causes a airplane to slow down in the air?

Answer 2

Air resistance

Question 3

What are balanced forces?

Answer 3

Equal and opposite forces acting on an object

Question 4

What are compressed forces?

Answer 4

To squash into a smaller space

Question 5

What are contract forces?

Answer 5

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

Question 6

What does ‘deform’ mean?

Answer 6

To change shape

Question 7

What is drag force?

Answer 7

Force on object moving through air/water that causes something to slow down

Question 8

What is the force that is pushing/pulling something?

Answer 8

Drive force

Question 9

What is the ‘elastic limit’?

Answer 9

Point beyond which a spring will not change when the force is removed

Question 10

What is the force acting between 2 charged options?

Answer 10

Electrostatic force

Question 11

What is the synonym of equilibrium?

Answer 11

Balanced

Question 12

What is extension?

Answer 12

Amount by which an object gets longer when force is applied

Question 13

What is the name of a region where something feels a force?

Answer 13

Field

Question 14

What is friction?

Answer 14

The force that resists movement between contact surfaces

Question 15

What is the non-contact force that acts between 2 masses?

Answer 15

Gravity

Question 16

What is ‘Hooke’s law’?

Answer 16

A law that says that if you double a force on an object the extension will double

Question 17

What is interaction pair?

Answer 17

When 2 objects interact there is a force on each one that is the same size but in opposing directions

Question 18

Kilogram(kg)

Answer 18

A unit of mass

Question 19

What is lubrication?

Answer 19

Substance that reduces friction between surfaces when rubbed together

Question 20

Magnetic force

Answer 20

Force between 2 magnets or a magnet and a magnetic material

Question 21

Mass

Answer 21

Amount of matter a thing is made of

Question 22

Newton(N)

Answer 22

The unit of force symbol=N

Question 23

Newton meter

Answer 23

Equipment used to measure weight in newtons

Question 24

Non-contact force

Answer 24

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

Question 25

Pull & push

Answer 25

A type of force & a force exerted to move an object away or towards another object

Question 26

Reaction

Answer 26

Support force provided by a solid surface=floor

Question 27

What force slows down a moving object?

Answer 27

Resistive forces

Question 28

Streamlined

Answer 28

Shaped to reduce resistance to motion from air/water

Question 29

What is a stretching force?

Answer 29

Tension

Question 30

Unbalanced

Answer 30

Opposing fores on an object that are unequal

Question 31

Water resistance

Answer 31

Slows down object in water

Question 32

Weight

Answer 32

Force of the Earth on an object due to it’s mass

Question 33

Upthrust

Answer 33

A force pushing upwards on an object in a liquid

Question 34

Density

Answer 34

Calculated by dividing mass by volume

Question 35

Lift

Answer 35

A force pushing on an object fling in the air

Question 36

Thrust

Answer 36

A push caused by an engine

Question 37

Forces

Answer 37

Are known as a vector quantity meaning they have a size and direction

Question 38

Weight

Answer 38

Mass*grams