Forces and speed

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

forces

Answer 6

a push or pull factor

Question 7

drag force

Answer 7

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

Question 8

driving force

Answer 8

the force that is pushing or pulling something

Question 9

elastic limit

Answer 9

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

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

friction

Answer 12

the force that resists movement because of contact between surfaces

Question 13

gravity

Answer 13

a non-contact force that acts between two masses

Question 14

magnetic force

Answer 14

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

Question 15

mass

Answer 15

the amount of matter something is made up of

Question 16

newton

Answer 16

the unit of measurement for forces, symbol N

Question 17

newton metre

Answer 17

a piece of equipment used to measure weight in newtons

Question 18

pull and push

Answer 18

a type of force

Question 19

streamlined

Answer 19

shaped to reduce resistance to motion from air or water.

Question 20

tension

Answer 20

a stretching force

Question 21

water resistance

Answer 21

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

Question 22

weight

Answer 22

the force of the earth on an object due to its mass

Question 23

lift

Answer 23

a force pushing upwards on an object flying in the air

Question 24

upthrust

Answer 24

a force pushing upwards on an object in a liquid

Question 25

thrust

Answer 25

a push caused by an engine

Question 26

buoyancy

Answer 26

the force that makes something float

Question 27

speed

Answer 27

distance % time

Question 28

time

Answer 28

distance % speed

Question 29

distance

Answer 29

speed x time

Question 30

distance time graph

Answer 30

a graph that shows your distance and the time you traveled for

Question 31

how many newtons in 1kg

Answer 31

10N

Question 32

best fit line

Answer 32

a line that goes through most of the points on a graph

Question 33

anomaly

Answer 33

a result that doesn't work with the ongoing pattern or trend

Question 34

trend

Answer 34

something that should happen every time in an experiment

Question 35

if a 10N force was pulling an object upwards, and a 5N force was pulling down, which way would the object move and by how much?

Answer 35

5N upwards