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CPO Chapter 5 Practice

Total soal: 46

Worksheet time: 2hrs 32mins

Nama
Kelas
Tanggal
1.
What is Newton's First Law known as? The Law of
a)
Friction
b)
Mass
c)
Inertia
d)
Gravity
2.

How many Laws of Motion were contributed by Isaac Newton?

a)

4

b)

3

c)

2

d)

1

3.

Because of inertia, a resting object ________.

a)

will remain at rest

b)

will move at a constant speed

c)

will eventually move

d)

is unbalanced

4.

As more unbalanced force is applied to an object, its acceleration:

a)

stays the same

b)

decreases

c)

increases

5.

An object in motion stops when.....

a)

It falls of an edge.

b)

it is acted upon by an outside force.

c)

It is eaten

d)

It never stops

6.

The force that prevents a ball rolling on the ground from continuing on it's path forever is...

a)

Friction

b)

Gravity

c)

Inertia

7.
The combination of all the forces acting on an object is the...
a)
net force
b)
action force
c)
reaction force
d)
balance force
8.

What part(s) of a moving car experience the most friction? Choose the best answer.

a)

b)

c)

d)

9.

If an unbalanced force acts on an object, what will happen

a)

It will not move at all

b)

It will accelerate in the direction of the force

c)

It will accelerate in the opposite direction to the force

d)

It will accelerate in a random direction

10.
Rougher surfaces have ...
a)
greater friction
b)
less friction
c)
the same level of friction
11.
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.

12.
Which force produces a change in motion?
a)
unbalanced force
b)
balanced force
c)
gravitational force
d)
frictional force
13.
It takes more force to accelerate the iron man on the left than the iron man on the right because the iron man on the left has more mass. This best describes
a)
Newton's first law, the law of inertia
b)
Newton's second law, the law of acceleration
c)
Newton's third law, the law of action reaction 
d)
The law of universal gravitation
14.
For every action, there is an equal and opposite reaction.
a)
Newton's
1st
Law of Motion
b)
Newton's
2nd
Law of Motion
c)
Newton's
3rd
Law of Motion
15.
a)
1st
b)
2nd
c)
3rd
16.
a)
1st
b)
2nd
c)
3rd
17.
a)
1st
b)
2nd
c)
3rd
18.
What is the attractive force that exists between all objects that have mass?
a)
Weight
b)
Mass 
c)
Gravity
d)
Viscosity
19.
What Newtons law does this picture represent
a)
Newtons 2nd law 
b)
Law of gravity 
c)
Newtons 1st law
d)
Newtons 5th law
20.
When you push a boat off from the dock, you are demonstrating Newton's 3rd Law of Motion. It simply states that for every action there is an equal and opposite _______________?
a)
Motion
b)
Change
c)
Reaction
d)
Push
21.
What do each of the letters correctly represent?
a)
Funny, Monkeys, Arrive
b)
Force, Mass, Acceleration
c)
Free, Mass, Access
d)
Force, Magnesium, Arsenic
22.

The formula for Force is:

a)

Force= Magnet x Acceleration

b)

Force= Mass x Acceleration

c)

Force= Mass x Arsenic

d)

Funny= Monkey x Arrive

23.

An object in motion stops when.....

a)

It falls of an edge.

b)

it is acted upon by an outside force.

c)

It is eaten

d)

It never stops

24.

The law of inertia is

a)

What stays in constant motion

b)

An object at rest or motion will always stay at its position unless interrupted by an external force

c)

The object will never move

d)

An irrelevant force

25.
Why is it harder for the boy in Image B to get down the hill?
a)
Motion
b)
Friction
c)
Work
d)
Displacement
26.

A squirrel sits on the ground and eats a donut. We know the forces on him must be balanced because...

a)

Forces are always balanced

b)

the squirrel is not accelerating

c)

squirrels are projectiles

d)

he's eating a donut

27.
What is the net force
a)
10 N
b)
0 N
c)
25 N
d)
1 N
28.
Who is the scientist who came up with the Laws of Motion?
a)
Sir Issac Newton
b)
The Greeks
c)
John Dalton
d)
Sir John Newt
29.
What is the standard unit force is measured in?
a)
Newtons
b)
pounds
c)
grams
d)
meters
30.
Are forces balanced or unbalanced when a marble speeds up rolling down a ramp?
a)
Balanced
b)
Unbalanced
31.

The magician pulled the tablecloth out from under the dishes and the dishes were left undisturbed.

a)

1st law

b)

2nd law

c)

3rd law

32.

When you push down on the diving board, the diving board pushes you back up again.

a)

1st law

b)

2nd law

c)

3rd law

33.

When we walk, we push back with our foot, but we move forward.

a)

1st law

b)

2nd law

c)

3rd law

34.

Which is an example of Newton's 2nd law?

a)

A ball bouncing

b)

A fan spinning

c)

Pushing a 10 pound box

d)

Sneezing

35.

A fireman turns on his hose and is knocked backwards is an example of...

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

d)

Newton's 4rth Law

36.

A book pushes down on a table with a force of 5N, the table..

a)

Pushes back with a force of 5N

b)

Pushes back with a force less than 5N

c)

Pushes back with a forcec greater than 5N

d)

Does nothing. A table has no force.

37.
What is a PUSH or PULL of an object?
a)
Motion
b)
Force
c)
Friction
d)
Gravity
38.
When a cannon fires a cannonball we observe Newton's third law. Which force is the reaction force?
a)
The cannon moving forward
b)
The cannonball moving forward
c)
The cannon moving backward
d)
The cannonball moving backward
39.
If an object is stationary (not moving) the forces acting upon it are _____________
a)
unbalanced
b)
weak
c)
balanced
d)
Hulk Smash!
40.
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
41.
With unbalanced forces, the object will move in the direction of the _______ force.
a)
larger 
b)
smaller 
c)
equal 
42.
Forces that have a net force of zero ( the object is still).
a)
Balanced force
b)
Unbalanced force
43.
Balanced or Unbalanced?
a)
Balanced 
b)
Unbalanced
44.

A force can cause an object to

a)

accelerate

b)

slow down

c)

remain in place

d)

all of the above

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.
The FORCE that PULLS things down or back to EARTH.
a)
Speed
b)
Gravity

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