forces and speeds

Question 1

air resistance

Answer 1

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

Question 2

drag

Answer 2

the force acting on an object in water or air that makes it slow down

Question 3

friction

Answer 3

the force that resists movement because of contact between two objects

Question 4

weight

Answer 4

the force that pulls an object to the center of the earth

Question 5

mass

Answer 5

the amount of matter an object is made up of ( how heavy something is)

Question 6

push and pull

Answer 6

types of forces

Question 7

what is a force

Answer 7

a push or pull on an object

Question 8

newton meter

Answer 8

a piece of equipment used to measure force

Question 9

gravity

Answer 9

a force that pushes objects to the centre of a planet or moon

Question 10

upthrust

Answer 10

a force pushing up on an object in liquid

Question 11

speed=

Answer 11

distance/time

Question 12

time=

Answer 12

distance/speed

Question 13

distance=

Answer 13

time x speed

Question 14

1 newton in kg=

Answer 14

10kg

Question 15

equilibrium

Answer 15

balanced

Question 16

thrust

Answer 16

a push caused by an engine

Question 17

lift

Answer 17

a force pushing up on an object in the air

Question 18

anomaly

Answer 18

a result that doesnt fit the pattern or the trend

Question 19

line of best fit

Answer 19

a line that best fits the relationship of two fits in a graph

Question 20

boyancy

Answer 20

when an object goes under water an rises back to the surface

Question 21

motion

Answer 21

when an object changes its position over time

Question 22

definition of speed

Answer 22

how fast something is able to move

Question 23

balanced force

Answer 23

when there are two forces and both of them are the same strength

Question 24

unbalanced force

Answer 24

when there are two forces but one of them is stronger than the other, causing the object to move in that way

Question 25

mass is measured in

Answer 25

kilograms

Question 26

weight is measured in

Answer 26

newtons

Question 27

hooke's law is

Answer 27

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

Question 28

magnetic force

Answer 28

force that is exerted on a magnetic material brought into a magnetic field.

Question 29

magnetism

Answer 29

it is a force of attraction or repulsion between substances such as iron, nickel, cobalt and steel

Question 30

electrostatic force

Answer 30

the force acting between two charged objects