Quiz about KS3 Forces Quiz

Question 1

Hooke's law states:

Accepted Answer

if you double the force the extension will double

Answer

if you half the force the extension will double

Answer

if you double the force the extension will half

Answer

if you double the force the extension will quadruple

Question 2

What is a Force?

Accepted Answer

A push or pull

Answer

The distance

Answer

Mass

Answer

Give me a  failing grade

Question 3

A force that results from two objects rubbing past each other.

Accepted Answer

Friction

Answer

Gravity

Answer

Inertia

Answer

Force

Question 4

What is the unit called that measures force?

Accepted Answer

Newton

Answer

Isaac

Answer

Yee

Answer

kilogram

Question 5

The scientist who is most famous his work on forces

Accepted Answer

Sir Isaac Newton

Answer

Albert Einstein

Answer

Stephen Hawking

Answer

Galileo Galilei

Question 6

Name the missing force...

Accepted Answer

push

Answer

weight force

Answer

tension force

Answer

drag

Question 7

In this force diagram, which arrow is representing Friction?

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 8

If these boys are pulling with the same amount of force.  What will happen?

Accepted Answer

They will not move at all.

Answer

The boy in blue will win.

Answer

The boy in red will win.

Answer

Both will fall down.

Question 9

What happens when you PUSH a ball?

Accepted Answer

It moves away

Answer

It moves closer

Question 10

Which of the following is a contact force?

Accepted Answer

Friction

Answer

Magnetic

Answer

Electrical

Answer

Gravitational

Question 11

What type of force is needed to unlock a door?

Accepted Answer

Twist

Answer

Pull

Answer

Push

Answer

Jump

Question 12

What is the force pair when using a spring balance?

Accepted Answer

Spring pulling up and weight pulling down

Answer

Weight pulling up and gravity pulling down

Answer

Hand pulling up and spring pulling down

Answer

Hand pulling down and weight pulling down

Question 13

What will cause an object to move?

Accepted Answer

Unbalanced forces

Answer

Applied forces

Answer

Balanced forces

Question 14

What tool is used to measure weight or force?

Accepted Answer

Newton meter

Answer

balance

Answer

hand lens

Answer

tape measure

Question 15

What type of force is this man using to push his grocery cart?

Accepted Answer

Applied Force

Answer

Normal Force

Answer

Gravity

Answer

Air Resistance

Question 16

What is the net force?

Accepted Answer

3 N, right

Answer

3 N

Answer

17 N, right

Answer

3 N, left

Question 17

Who wins the tug of war with what net force?

Accepted Answer

The person on the left with 20 N

Answer

The person on the left with 80 N

Answer

The people on the right with 20 N

Answer

The people on the right with 100 N

Question 18

What is the net force?

Accepted Answer

40 N

Answer

20 N

Answer

0 N

Answer

400 N

Question 19

The sum of all forces acting on an object.

Accepted Answer

Net Force

Answer

Contact Force

Answer

Balanced Force

Answer

Unbalanced Force

Question 20

Which of the following would make a cyclist SLOWER

Accepted Answer

increase traction on tires

Answer

streamlining - crouching

Answer

high winds behind cyclist

Question 21

What store of energy does friction produce?

Accepted Answer

heat

Answer

light

Answer

gravitational potential

Answer

radioactive

Answer

nuclear

Question 22

Which of the following are TRUE about slowing down a parachute

Accepted Answer

air resistance depends on area

Accepted Answer

bigger area means that more molecules hit the parachute

Accepted Answer

air resistance depends on speed

Answer

a parachute will work better on the moon

Answer

small parachutes stop the fastest speeds

Question 23

Hooke's Law describes the behaviour of which kind of material under tension?

Accepted Answer

elastic

Answer

plastic

Answer

metals only

Answer

non-metals only

Question 24

How does friction affect speed?

Accepted Answer

more friction decreases speed

Answer

more friction increases speed

Answer

less friction decreases speed

Question 25

When most objects with smooth surfaces rub, there is less friction.

Accepted Answer

True

Answer

False

Question 26

Which of the following answers is the most scientific answer for the question:

What is friction?

Accepted Answer

The contact force between two solids, liquids, or gases that slide past one another.

Answer

The random force between two solids, liquids, or gases.

Answer

The thing that creates static electricity

Answer

A force that is random

Question 27

Which of the following is NOT an example of friction?

Accepted Answer

a satellite traveling through deep space

Answer

using the brakes on your bike to slow you down

Answer

putting your hand out the window

Answer

a hockey puck going across an ice rink

Question 28

A puck slides along an icy surface. What makes it slow down?

Accepted Answer

It rubs against the ice

Answer

It runs out of push

Answer

It runs out of electricity

Question 29

Movers slide a box down the ramp of a truck.
What helps slow the box as it slides to the bottom of the ramp?

Accepted Answer

friction

Answer

gravity

Answer

inertia

Answer

magnetism

Question 30

A pulley contains which other simple machine?

Accepted Answer

a wheel and axle

Answer

a screw

Answer

an inclined plane

Answer

a lever

Question 31

What is a PUSH or PULL of an object?

Accepted Answer

Force

Answer

Motion

Answer

Friction

Answer

Gravity

Question 32

If an object is not moving the forces acting upon it are _____________

Accepted Answer

balanced

Answer

unbalanced

Answer

weak

Answer

Hulk Smash!

Question 33

What is true about this image?

Accepted Answer

It shows balanced forces.

Answer

It shows unbalance forces.

Answer

The people on the right are winning.

Answer

The people on the left are winning.

KS3 Forces Quiz

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