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Newton’s Laws

Total questions: 91

Worksheet time: 2hrs 18mins

Name
Class
Date
1.

Which is the first law?

a)

Law of gravity

b)

Law of inertia

c)

Law of motion

2.

What is the second law about?

a)

how much an object will accelerate for a given net force

b)

Every object that goes up will go down again because of gravity

3.

What is F = ma?

a)

Force, motion, action

b)

Force, mass, acceleration

c)

Force, muscle, action

4.

“For every action, there is an equal and opposite reaction”.

a)

First law

b)

Second law

c)

Third law

d)

All of the above

5.

I move a chair, the chair stops moving if I stop moving it

a)

First law

b)

Second law

c)

Third law

d)

Choclos

6.

Which of Newton's three laws does the following example illustrate? If you have a hockey puck sliding along a table, it will eventually come to a stop.

a)

first law

b)

second law

c)

Third law

7.

Why are these laws important?

a)

They lay the groundwork for later physics developments

b)

They are the first laws made by humans

c)

They were discovered by accident

8.

Which of these is not one of the laws?

a)

Inertia

b)

F=ma

c)

gravity is all around us

d)

When one body puts force on another body, the other body exerts a force in opposite in direction on the first body.

9.

Force is measured in...

a)

pounds

b)

Strongness

c)

Newtons

d)

FLOCCINAUCINIHILIPILIFICATION

10.

Why do we have to wear seatbelts?

a)

Inertia

b)

Gravity

c)

Force

d)

acceleration

11.

How long will an object remain in rest?

a)

Until a force acts on it

b)

Until god wants

c)

Its not moving anyway....

d)

5 minutes more

12.

Why is it hard to move a bed from one side to another?

a)

Friction

b)

Gravity

c)

Deceleration

d)

Bad luck

13.

Why is it harder to push bowling balls than pushing basketballs?

a)

Bowling balls have more mass

b)

Basketball is the better sport

c)

Bowling balls have more friction

14.

Why do you move left when a car moves right?

a)

Inertia

b)

Gravity

c)

Force

15.
A magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
16.
Pushing a child on a swing is easier than pushing an adult on the same swing, because the adult has more inertia.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
17.
Force = Mass x Acceleration
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
18.
"For every action, there is an equal and opposite reaction."
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
19.

The First Law of Motion is also called what?

a)

Acceleration

b)

Velocity

c)

Inertia

d)

Force

20.

The Third Law of Motion states that for every action there is an opposite and equal what?

a)

action

b)

reaction

c)

force

d)

burst

21.

In order to move an object, the forces must be what?

a)

balanced

b)

unbalanced

c)

in motion

d)

at rest

22.

m/s is a unit for

a)

mass

b)

force

c)

acceleration

d)

velocity

23.

kg is a unit that represents

a)

force

b)

velocity

c)

mass

d)

momentum

24.

What direction is the present going?

a)

right

b)

left

25.

The present moves to the right because

a)

The applied force is bigger than the friction force

b)

The friction force is greater than the applied force

c)

The applied force and the friction force are the same

26.

What direction is the fridge moving?

a)

right

b)

left

c)

not moving

27.

Balanced forces show

a)

an object moving

b)

an object not moving

28.

Unbalanced forces show

a)

an object moving

b)

an object not moving

29.

What is the net force and direction of the movement?

a)

125 N to the left

b)

125 N to the right

c)

100 N to the left

d)

100 N to the right

30.

Lizzie is pushing Alex on a scooter. Lizzie is pushing with a 75 Newton force to the left, and Alex is helping with a 20 Newton force to the left. What is the NET FORCE on the scooter?

a)

95 N to the right

b)

95 N to the left

c)

55 N to the right

d)

55 N to the left

31.

What is the net force and direction?

a)

15 N to the right

b)

10 N to the right

c)

5 N to the right

d)

5 N to the left

32.

Units for force

a)

Newtons

b)

Joules

c)

Meters

33.
Balanced or unbalanced?
a)
balanced
b)
unbalanced
34.

What is the mass of an object being pushed with a net force of 10 N at 1.5 m/s2?

a)

7.50 kg

b)

15.0 kg

c)

6.67 kg

d)

2.25 kg

35.

If a 100 N force acts on a 50 kg car, what will be the acceleration of the car?

a)

2 m/s2

b)

0.5 m/s2

c)

5,000 m/s2

d)

50 m/s

36.

What is the force on a 2.4 kg skateboard accelerating at a rate of 2 m/s2?

a)

4.8 N

b)

1.2 N

c)

0.83 N

d)

2 N

37.

A force of 250 N is applied to an object that accelerates at a rate of 5 m/sec2. What is the mass of the object?

a)

50 g

b)

1250 g

c)

0.02 g

d)

25 g

38.

A force is a _____

a)

push

b)

pull

c)

Both push and pull

d)

Object

39.

What is the amount of matter in an object?

a)

net force

b)

balanced forces

c)

unbalanced forces

d)

mass

40.

Newton's 1st law states:

a)

Force = mass x accleration

b)

an object at rest stays at rest or an object in motion stays in motion unless a force acts on it

c)

for every action there is an equal and opposite reaction

41.

Newton's 2nd law states:

a)

Force = mass x acceleration

b)

an object at rest stays at rest or an object in motion stays in motion unless a forces acts on it

c)

for every action there is an equal and opposite reaction

42.

Newton's 3rd law states:

a)

Force = mass x acceleration

b)

an object at rest stays at rest or an object in motion stays in motion unless a force acts on it

c)

for every action there is an equal and opposite reaction

43.

What is the formula for speed?

a)

S= D/T

b)

F= M x A

c)

A= F/M

d)

D= T x S

44.

What is the formula for Force?

a)

S= D/T

b)

F= M x A

c)

A= F/M

d)

D= T x S

45.

What is the unit for Force?

a)

mph

b)

kilograms

c)

Newtons

d)

seconds

46.

If you skated 210 meters in 3 minutes, what was your speed?

a)

75 m/min

b)

50 m/min

c)

210 meters

d)

70 m/min

47.

Which formula would you use to solve this problem?

A 25 kg bike accelerates at 10 m/s2. What was the force?

a)

F = m (a)

b)
c)

s = dts\ =\ \frac{d}{t}

d)

p = m (v)p\ =\ m\ \left(v\right)

48.

Which formula would you use to solve this problem?

The mass of a wagon is 40 kg. The wagon accelerates at 8 m/s2 . What is the force?

a)

F = m (a)

b)
c)

s = dts\ =\ \frac{d}{t}

d)

p = m (v)

49.
Since Force = Mass * Acceleration, how would you manipulate the equation to solve for mass?
a)
mass divided by acceleration
b)
Mass times acceleration
c)
Force divided by acceleration
d)
Equations cannot be manipulated
50.
An object at rest will remain at rest unless acted on by an unbalanced force. An object in motion continues in motion with the same speed and in the same direction unless acted upon by an unbalanced force.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
51.
This law is often called "the law of inertia."
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
52.
A student leaves a pencil on a desk and the pencil stays in the same spot until another student picks it up.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
53.

Newton's 3rd Law states that for ever action there is an equal and opposite ________.

a)

reaction

b)

satisfaction

c)

fraction

d)

transaction

54.

If a 10 kilogram object accelerates suddenly at 15 m/s2, how much force was applied to the object?

a)

150 Newtons

b)

15 Newtons

c)

150 kilograms

d)

100 kilograms

55.
45 m/s2 is the... 
a)
Mass
b)
Force 
c)
Acceleration
d)
weight
56.
A 20 kg bike accelerates at 10 m/s2.  what was the force?
a)
25 Newtons
b)
20 Newtons
c)
200 Newtons
d)
10 Newtons
57.

A force of 250 N is applied to an object that accelerates at a rate of 5 m/s2. What is the mass of the object? To solve this problem you must do -

a)

250 ÷ 5

b)

5 ÷ 250

c)

250 x 5

58.

A 50 kg skater pushed by a friend accelerates 5 m/s2. How much force did the friend apply? To solve this problem you must do -

a)

50 ÷ 5

b)

5 ÷ 50

c)

50 x 5

59.

A 5 kg block is pulled across a table by a net force of 32 N. Calculate the acceleration of the object.

a)

160 m/s2

b)

6.4 m/s2

c)

0.16 m/s2

60.

What is the formula for force?

a)

F=m/a

b)

F=a/m

c)

F=ma

d)

F=Fm

61.

A 50 kg skater pushes off from a wall with a force of 200 N. What is the skater’s acceleration?

Solve this problem

a)

200 / 50 = 4 m/s2

b)

50 / 200 = 4 N

c)

200 x 50 = 10,000 m/s2

d)

200 / 50 = 4 N

62.

The amount of matter in an object

a)

Weight

b)

Mass

c)

Volume

d)

Circumference

63.

The unit that goes with mass.

a)

Centimeter

b)

Liter

c)

Inch

d)

Kilogram

64.

The one that is affected by gravity.

a)

Volume

b)

Mass

c)

Weight

d)

Ego

65.

The unit that goes with weight.

a)

Kilogram

b)

Newton

c)

Milliliter

d)

Mile

66.

What is the definition of MASS?

a)

Anything that has mass and takes up space.

b)

The measure of the gravitational pull on an object.

c)

That amount of matter in an object.

67.

True or False -

Mass and weight are the exact same thing.

a)

true

b)

false

68.

Which one has more matter (therefore more mass)?

a)

A bowling ball

b)

A balloon

69.
Mass is _________________________.
a)
the amount of matter in an object.
b)
the force of gravity on an object.
c)
both.
d)
neither.
70.
Weight is ________________________.
a)
the force of gravity on an object.
b)
the amount of matter in an object.
c)
neither.
d)
both.
71.
In physics, mass is measured in _____.
a)
grams
b)
newtons
c)
kilograms
d)
pounds
72.
In physics, weight is measured in _____.
a)
grams
b)
newtons
c)
kilograms
d)
pounds
73.

Which of Newton's Laws of motion is best described from the statement below.

Force equals the mass multiplied by the acceleration of the object.

a)

First Law

b)

Sedcond Law

c)

Third Law

d)

None of these Laws

74.

Which of Newton's Laws of motion is best described from the statement below.

A person in a swimming pool pushed water backwards and they moved forward

a)

First Law

b)

Second Law

c)

Third Law

d)

None of these Laws

75.

How much force is required to accelerate a 70 kg skier to 3 m/s2 ?

F=MA

a)

0.043 N

b)

210 N

c)

23.3 N

d)

67 N

76.

What two quantities does the acceleration of a moving object depend on?

a)

the resistance and the momentum of the object

b)

the friction and the speed of the object

c)

the force and the velocity of the object

d)

the force and the mass of the object

77.

Newton’s Three Laws of Motion are:

 

1st Law —   Law of Inertia:

   Objects at rest will remain at rest;

   objects in motion will remain in

   motion.

 

2nd Law — Law of Acceleration:

   Force = mass x acceleration.

 

3rd Law —  Law of Interaction:

   Every action has an equal, but

   opposite, reaction.

 

Which of these three laws governs a bat striking a baseball?

a)

1st law only

b)

1st and 3rd laws

c)

2nd law only

d)

all three laws

78.

When do the Laws of Motion apply to objects?

 

a)

all the time

b)

when they are accelerating

c)

when they are at rest

d)

when they change direction

79.

When two forces act in opposite directions on a object, the resultant force is equal to what?

a)

the distance between the two forces

b)

the ratio of the two forces

c)

the product of the two forces

d)

the difference between the two forces

80.

Use the diagram to answer the following question:

All vehicles are accelerated at the same rate.  Which vehicle required the least amount of force to accelerate?

a)

A

b)

B

c)

C

d)

D

81.

Use the diagram to answer the following question:

One fan provided an unbalanced force for the cart to move.  Based on the diagram below , how would you describe the motion of the cart?

a)

The cart would not move.

b)

The cart would move left.

c)

The cart would move right

d)

There is not enough information

82.

Which of Newton's Laws of Motion are best described by the following statement:

  A rocket taking off from Kennedy Space center.

a)

The first law.

b)

The second law.

c)

The third law.

d)

None of the laws.

83.

Which of Newton's Laws of Motion are best described by the following statement:

    The rocket ship traveled for 15 years towards Pluto.

a)

First Law

b)

Second Law

c)

Third Law

d)

None of the Laws

84.

Which of Newton's Laws of Motion are best described by the following statement:

    The Mouse was easier to move than the dog.

a)

First Law

b)

Second Law

c)

Third Law

d)

None of these Laws

85.

In order to move an object, the forces must be what?

a)

balanced

b)

unbalanced

c)

in motion

d)

at rest

86.
According to Newton’s first law of motion, a moving object that is not acted on by an unbalanced force will
a)
remain in motion.
b)
eventually come to a stop.
c)
change its momentum.
d)
accelerate.
87.
How does Newton’s third law explain how a rocket takes off?
a)
The rocket’s acceleration is positive, while the gasses acceleration is negative but the direction is the same. 
b)
The rocket is at rest until ignition.
c)
The hot gasses move in one direction, while the rocket moves in the opposite direction but with equal force.
88.
When all the forces on an object are equal and opposite, & the net force is zero, that's...
a)
balanced forces
b)
unbalanced forces
c)
terminal velocity
d)
reaction forces
89.
The combination of all the forces acting on an object is the...
a)
net force
b)
action force
c)
reaction force
d)
balance force
90.
What is the definition of "weight"?
a)
the force in which gravity pulls on an object
b)
the time it takes to get on a ride 
c)
the amount of matter in an object
d)
the size of an object
91.
What is the net force?
a)
400 N Up
b)
400 N Down
c)
- 400 N Down
d)
800 N Down

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