Forces

Question 1

What is upthrust?

Answer 1

A force pushing upwards on an object in a liquid.

Question 2

What is friction?

Answer 2

The force between two surfaces sliding over one another, that causes them to heat up and wear.

Question 3

What is weight?

Answer 3

The force that pulls objects towards the centre of the earth.

Question 4

What is air resistance/drag?

Answer 4

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

Question 5

What is thrust?

Answer 5

A push caused by an engine.

Question 6

What is push/pull?

Answer 6

A force exerted to move an object away towards another object.

Question 7

What is lift?

Answer 7

A force pushing upwards on an object flying in the air.

Question 8

What is a force?

Answer 8

A push, pull or twist.

Question 9

when the force on an object are balanced, it will remain …………………….

Answer 9

Still/stationary

Question 10

When the forces are unbalanced, the object will speed ……… or ……….. down.

Answer 10

Up

Down

Question 11

How many grams in a newton?

Answer 11

100

Question 12

How many grams in two newtons?

Answer 12

200

Question 13

How many grams in three newtons?

Answer 13

300

Question 14

How many grams in four newtons?

Answer 14

400

Question 15

How many grams in five newtons?

Answer 15

500

Question 16

How many grams in six newtons?

Answer 16

600

Question 17

How many grams in seven newtons?

Answer 17

700

Question 18

How many grams is eight newtons?

Answer 18

800

Question 19

How many grams in nine newtons?

Answer 19

900

Question 20

How many grams in ten newtons?

Answer 20

1000

Question 21

How many kg’s in 10 newtons?

Answer 21

1

Question 22

What does floating mean?

Answer 22

Where an object sits on top of water and doesn’t sink.

Question 23

What does sinking mean?

Answer 23

Where an object sinks underwater and doesn’t float.

Question 24

Does plasticine float or sink?

Answer 24

Sink

Question 25

Does glass float or sink?

Answer 25

Sink

Question 26

Does marble float or sink?

Answer 26

Sink

Question 27

Does slate float or sink?

Answer 27

Sink

Question 28

Does aluminium float or sink?

Answer 28

Sink

Question 29

Does foam float or sink?

Answer 29

Float

Question 30

Does Perspex float or sink?

Answer 30

Sink

Question 31

Does wood float or sink?

Answer 31

Float

Question 32

What is the formula for density?

Answer 32

Mass of object ———————— Volume of object

Question 33

What is mass?

Answer 33

The amount of matter something is made of.

Question 34

What is a newton?

Answer 34

The unit of force, symbol N

Question 35

What is a newton meter?

Answer 35

A piece of equipment used to measure weight in newtons.

Question 36

What two terms will make Mrs Blackwell kill you if she sees you using it?

Answer 36

Valid Experiment | Fair test