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Forces

Total questions: 75

Worksheet time: 38mins

Name
Class
Date
1.

A non-contact force occurs between

a)

two objects that aren't touching

b)

two objects that are touching

c)

the ground and wheels

d)

you and me

e)

A Jedi and a Sith

2.

What happens to your MASS if you go to the moon

a)

Increase

b)

Decrease

c)

Stay the same

d)

You will have no mass

e)

Imposible to tell

3.

Gravity is a

a)

Contact Force

b)

Myth

c)

Non-contact Force

d)

Not a force

e)

A conspiracy!

4.

Which is an example of a non-contact force?

a)

elastic force

b)

normal force

c)

applied force

d)

electrical force

e)

defence force

5.

You are pulled to the surface of the earth due to the force of _________________

a)

gravity

b)

friction

c)

normal force

d)

contact force

e)

It has nothing to do with forces - you just fall downwards

6.

Magnetic Force is an example of ____________ force.

a)

contact

b)

non-contact

c)

balanced

d)

unbalanced

7.
If these boys are pulling with the same amount of force.  What will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
8.

Which force is slowing the race car down the MOST?

a)

friction

b)

gravity

c)

air resistance

d)

pull

9.

What force is acting on the rope?

a)

gravity

b)

push

c)

friction

d)

tension

10.

What is the unit to MEASURE force?

a)

Kilogram

b)

Meter

c)

Pounds

d)

Newton

11.

A ____________ is a push or a pull on an object.

a)

friction

b)

force

c)

magnet

d)

gravity

12.

What piece of equipment is used to measure force?

a)

spring balance

b)

measuring cylinder

c)

ruler

d)

conical flask

13.
What will cause an object to move?
a)
Applied forces
b)
Balanced forces
c)
Unbalanced forces
14.

What is the symbol for Newton?

a)

N

b)

n

c)

newt

d)

Newt

15.
What surface would probably offer the least friction if you were to slide a box across it?
a)
glass
b)
wood
c)
carpet
d)
brick
16.

What is GRAVITY on Earth?

a)

An ocean near Australia

b)

Gravity pulls objects towards the centre of the Earth.

c)

Gravity pulls objects away from the centre of the Earth.

d)

Something really serious

17.

This is called a……

a)

Green balance

b)

Spring balance

c)

Sprung balance

d)

Springy thing

18.
A _____ moves an object closer to you.
a)
push
b)
pull
c)
friction
d)
cat
19.
What force moves an object away from you?
a)
pull
b)
push
c)
gravity
d)
Jedi force
20.

_______________ is the amount of matter in an object.

a)

Mass

b)

Weight

c)

Volume

d)

Force

21.

What is the force that slows down or eventually stops an object's motion?

a)

gravity

b)

push

c)

motion

d)

friction

e)

No force - things just slow down

22.

What is the other name for 'Drag'?

a)

Gravity

b)

Speed

c)

Air Resistance

d)

Weight

23.

Magnets can produce...

a)

A pushing force only

b)

A pulling force only

c)

A pulling force and a pushing force

d)

No force

24.
Gravity attracts all objects towards one another.
a)
False
b)
True
c)
It depends
d)

WRONG ANSWER - DO NOT PRESS

25.
Any object with mass is surrounded by a gravitational field.
a)
True
b)
Sometimes
c)
False
d)
Never
26.
The force of gravity is also known as
a)
Mass
b)
Weight
c)
Distance
d)
Acceleration
27.
As distance between two objects increase the pull of gravity 
a)
Increases
b)
Decreases
c)
Stays the same
28.
Where would you have to travel to reduce your weight but not lose any mass?
a)
The moon
b)
The Sun
c)
Jupiter
d)
Saturn
29.
A person would weigh more on Jupiter than on the Earth because . . .
a)
Jupiter has more mass, and therefore more gravity
b)
Jupiter has less mass, and therefore more gravity
c)
Jupiter has more mass, and therefore less gravity
d)
Jupiter has less mass and therefore less gravity
30.

A person weighs _____ on the moon than they do on Earth

a)
less
b)
more
c)
the same
31.
Gravity on Mars’ surface is much lower than it is here on Earth. This is because the mass of mars is ______ than Earth.
a)
less
b)
more
c)
the same
32.

Wind moving an object is a contact force.

a)

True

b)

False

c)

Sometimes

33.

Wind applies a non - contact force to an object

a)

TRUE

b)

FALSE

c)

Sometimes

34.

Without friction, an object in motion would never stop.

a)

true

b)

false

35.

If you move further from the Earth, the force of gravity will

a)

Increase

b)

Decrease

c)

Stay the same

36.
What is the net force?
a)
65 N left
b)
65 N right
c)
35 N left
d)
35 N right
37.
What is the net force?
a)
5.5 N left
b)
5.5 N right
c)
2.5 N left
d)
2.5 N right
38.
With unbalanced forces, the object will move in the direction of the _______ force.
a)
larger 
b)
smaller 
c)
equal 
39.
Balanced or Unbalanced?
a)
Balanced 
b)
Unbalanced
40.
What is the net force?
a)
1.3 N left
b)
1.3 N right
c)
3.7 N left
d)
3.7 N right
41.

8 N to the left , and 4 N to the right. Find the net force. Is this balanced

a)

12 N Right No

b)

12 N Right Yes

c)

4 N Left Yes

d)

4 N Left No

42.
Students are playing tug-of-war. If group B pulls the rope to the right with a force of 400 N and group A pulls the rope to the left with a force of 250 N, what will happen to the ribbon in the middle of the rope?
a)
The ribbon will move to the left and group A will win the tug-of-war.
b)
The ribbon will move to the left and group B will win the tug-of-war.
c)
The ribbon will move to the right and group B will win the tug-of-war.
d)
The ribbon will move to the right and group A will win the tug-of-war.
43.
With unbalanced forces, the object will move in the direction of the _______ force.
a)
larger 
b)
smaller 
c)
equal 
44.
In which direction will the box accelerate?
a)
Down and to the left
b)
Up and to the right
c)
Up and to the left
d)
Down and to the right
45.
In which direction will the box accelerate? 
a)
Down and to the left
b)
Down and to the right
c)
Up and to the left
d)
Up and to the right
46.
Which one is balanced?
a)
top
b)
bottom
c)
both
47.
Two like charges
a)
 neutralize each other.
b)
repel each other. 
c)
must be neutrons. 
d)
attract each other.
48.

What charge is the electron?

a)

Logan-charged

b)

negative

c)

positive

d)

no charge (neutral)

49.

A positively charged object would be expected to attract

a negatively charged object.

a)

True

b)

False

50.

Two positively charged objects would be expected to attract

each other.

a)

True

b)

False

51.
Static electricity is:
a)
electricity flowing in a wire
b)
the buildup of electric charges on an object
c)
when protons move between objects
52.
If two objects with static charge are attracted, what do you know about them?
a)
They are both positively charged.
b)
They are both negatively charged.
c)
One is positively charged and one is negatively charged, but you won't be able to tell which is which.
d)
One is positively charged and one is negatively charged, and you can tell which is which by looking at them.
53.

If the balloon has a negative charge, the hair must have what charge?

a)

negative

b)

positive

c)

neutral

54.

True or False: A magnet is attracting when it pushes objects away from each other.

a)

True

b)

False

55.
Which way will the magnets move after they are released?
a)
Towards each other
b)
Away from each other
c)
Not enough information
56.

Magnets not only pull things, but they can also push things away.

a)

True

b)

False

57.

The Earth is a giant magnet.

a)

True

b)

False

58.

Two magnets with like poles will _________ each other.

a)

attract (pull together)

b)

repel (push apart)

59.

Two magnets with unlike poles will _________ each other.

a)

attract (pull together)

b)

repel (push apart)

60.

Compasses always point in which direction?

a)

North

b)

South

c)

East

d)

West

61.

The space around a magnet is called its ____________.

a)

electrical field

b)

baseball field

c)

magnetic field

d)

soccer field

e)

wheat field

62.

What will happen when these magnets are brought close together?

a)

They will attract each other.

b)

They will repel each other.

c)

They will stay the same.

63.
When two magnets attract, they ______________
a)
push apart
b)
change color
c)
get colder
d)
pull together
64.
When two magnets repel, they ________________
a)
change color
b)
pull together
c)
push apart
d)
get colder
65.
What will happen when these magnets are brought close together?
a)
They will attract each other.
b)
They will repel each other.
c)
Both magnets will turn to the left
d)
Both magnets will turn to the right
66.

Where on a magnet is the magnetic force strongest?

a)

The Poles

b)

All over

c)

Middle

67.
These magnets will _____
a)
Attract
b)
Repel
68.

Which of the following materials will be attached to a magnet?

a)

Gold

b)

Silver

c)

Copper

d)

Iron

69.

True or False: Like poles attract and opposite poles repel each other.

a)

TRUE

b)

FALSE

70.

Do all magnets have a north and south pole?

a)

YES

b)

NO

71.

Which metal is NOT attracted to magnets

a)

iron

b)

nickel

c)

cobalt

d)

aluminium

72.

Which metal is NOT attracted to magnets

a)

Iron

b)

nickel

c)

cobalt

d)

copper

73.

Magnetic forces are an example of a

a)

contact force

b)

non - contact force

c)

police force

d)

electrostatic force

74.

Steel is attracted to magnets because it contains iron

a)

True

b)

False

75.

Which metal is NOT attracted to magnets?

a)

Iron

b)

Nickel

c)

Cobalt

d)

Lead

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