Quiz about Newton's Law

Question 1

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

Accepted Answer

reaction

Answer

satisfaction

Answer

fraction

Answer

transaction

Question 2

A force that causes an object to slow down when it touches another object is _________.

Accepted Answer

friction

Answer

gravity

Answer

inertia

Answer

Newton

Question 3

Newton's 2nd Law says the acceleration of an object depends on its _______ and ______. (Choose two answers)

Accepted Answer

force or applied force

Accepted Answer

mass

Answer

weight

Answer

gravity

Question 4

If an object stays still or continues moving at the same speed and in the same direction, it is a _______ force.

Accepted Answer

balanced

Answer

weak

Answer

strong

Answer

unbalanced

Question 5

Net force is a combination of all ________ acting on an object.

Accepted Answer

forces

Answer

speeds

Answer

accelerations

Answer

velocities

Question 6

What will be the effect on the boy in the picture if the driver stops quickly?

Accepted Answer

He will move forward pressing against the seatbelt.

Answer

Because of inertia he will remain in the same position.

Answer

He will be pushed back into the car seat.

Answer

He will move from one side of the car seat to the other.

Question 7

Sitting at the top of a steep hill on a roller coaster (not moving), is an example of:

Accepted Answer

Inertia

Answer

Acceleration

Answer

Speed

Answer

Velocity

Question 8

When an unbalanced force acts on an object, the force ______________________.

Accepted Answer

changes the motion of the object

Answer

is cancelled by another force

Answer

does not change the motion of an object

Answer

is equal to the weight of the object

Question 9

What law is best described by inertia?

Accepted Answer

1st

Answer

2nd

Answer

3rd

Question 10

The picture is an example of Newton's...

Accepted Answer

2nd Law

Answer

1st Law

Answer

3rd Law

Question 11

The picture is an example of Newton's...

Accepted Answer

3rd Law

Answer

1st Law

Answer

2nd Law

Question 12

Any push or pull on an object.

Accepted Answer

force

Answer

velocity

Answer

inertia

Answer

momentum

Question 13

The force that opposes motion between two surfaces in contact with each other.

Accepted Answer

friction

Answer

inertia

Answer

momentum

Answer

gravity

Question 14

The force of attraction between all matter.

Accepted Answer

gravity

Answer

inertia

Answer

friction

Answer

net force

Question 15

A Newton is a unit of...

Accepted Answer

force

Answer

inertia

Answer

acceleration

Answer

velocity

Question 16

When all the forces on an object are equal and opposite, & the net force is zero, that's...

Accepted Answer

balanced forces

Answer

unbalanced forces

Answer

terminal velocity

Answer

reaction forces

Question 17

The combination of all the forces acting on an object is the...

Accepted Answer

net force

Answer

action force

Answer

reaction force

Answer

balance force

Question 18

An archer pulls the bowstring back, then releases the string and the arrow flies forward. Pulling the string back is the...

Accepted Answer

action force

Answer

reaction force

Answer

net force

Answer

inertia

Question 19

An archer pulls the bowstring back, then releases the string and the arrow flies forward. The arrow flying forward is the...

Accepted Answer

reaction force

Answer

action force

Answer

net force

Answer

inertia

Question 20

In the picture, the blocks are flying out of the truck based on which of Newton's laws?

Accepted Answer

Newton's 1st Law

Answer

Newton's 2nd Law

Answer

Newton's 3rd Law

Answer

Newton's 6th Law

Question 21

Calculate the net force of the object in the image shown.

Accepted Answer

5N

Answer

20N

Answer

35N

Answer

25N

Question 22

Is this a balanced or unbalance force?

Accepted Answer

Unbalanced

Answer

Balanced

Answer

Neither one

Answer

Both

Question 23

Which direction will the object move?

Accepted Answer

Left

Answer

Up

Answer

Down

Answer

Right

Question 24

Which direction will the object move?

Accepted Answer

Left

Answer

Right

Answer

Up

Answer

Down

Question 25

What is the net force of this object?

Accepted Answer

0N

Answer

50N

Answer

25N

Answer

5N

Question 26

Is this a balanced or unbalanced force?

Accepted Answer

Balanced

Answer

Unbalanced

Answer

Neither

Answer

Both

Question 27

If a force causes an object to move, it's considered a(n) __________________ force.

Accepted Answer

Unbalanced

Answer

Balanced

Answer

Massive

Answer

Strong

Question 28

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?

Accepted Answer

The ribbon will move to the right and group B will win the tug-of-war.

Answer

The ribbon will move to the left and group A will win the tug-of-war.

Answer

The ribbon will move to the left and group B will win the tug-of-war.

Answer

The ribbon will move to the right and group A will win the tug-of-war.

Question 29

A cyclist traveling at 25 km/hr turns sharply to the left while continuing to move 25 km/hr. This means the forces involved are_____________________.

Accepted Answer

Unbalanced, because his direction changed.

Answer

Balanced, because the cyclist's speed did not change.

Answer

Balanced, because he was still moving forward.

Answer

Unbalanced, because it's the same bicycle.

Question 30

The forces represented by the arrows in the diagrams are applied to the four objects that are at rest on a table. Which object is most likely to move to the right?

Accepted Answer

Object Y

Answer

Object W

Answer

Object X

Answer

Object Z

Question 31

The forces represented by the arrows in the diagrams are applied to the four objects that are at rest on a table. Which object is most likely to remain in place?

Accepted Answer

Object Z

Answer

Object W

Answer

Object X

Answer

Object Y

Question 32

An airplane is travelling North through the sky at a constant speed when turbulence causes it to take a different route, changing its direction. Explain the forces at work on this plane.

Accepted Answer

Unbalanced, because the speed is constant and there is a change in direction

Answer

Unbalanced, because the plane is moving forward, not backwards

Answer

Balanced, because the plane is not falling to a lower altitude

Answer

Unbalanced, because the plane is in motion

Question 33

Imagine a bat swinging with a force of 1200 N, hitting a ball pitched with a force of 400 N. At what net force does the ball move away from the bat?

Accepted Answer

800 N

Answer

1600 N

Answer

400 N

Answer

Net force of 0 N

Question 34

What is the unit called that measures force?

Accepted Answer

Newton

Answer

Isaac

Answer

Yee

Answer

kilogram

Question 35

The scientist who is most famous for developing the Laws of Motion is _____.

Accepted Answer

Sir Isaac Newton

Answer

Albert Einstein

Answer

Stephen Hawking

Answer

Galileo Galilei

Question 36

An object will accelerate in the direction of the force applied to it.

Accepted Answer

Newton's 2nd Law

Answer

Newton's 1st Law

Answer

Newton's 3rd Law

Answer

Newton's 4th Law

Question 37

Are forces balanced or unbalanced when a car is moving at a constant speed in a straight line?

Accepted Answer

Balanced

Answer

Unbalanced

Question 38

Are forces balanced or unbalanced when a marble speeds up rolling down a ramp?

Accepted Answer

Unbalanced

Answer

Balanced

Question 39

A rightward force is applied to a crate to pull it across the floor at a constant speed. Which is the correct force diagram?

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 40

A hockey puck glides to the right across the ice at a constant speed.

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 41

A downward-moving skydiver who has just opened the parachute is slowing down.

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 42

In a force diagram the size/length of the arrow tells you this about the force:

Accepted Answer

the strength of the force

Answer

the distance of the force

Answer

the direction of the force

Question 43

What type of force?

Accepted Answer

Magnetic

Answer

Gravitational

Answer

Applied

Answer

Normal

Question 44

What force holds the planets in motion around the sun?

Accepted Answer

Gravitational

Answer

Magnetic

Answer

Electrical

Answer

Air Resistance

Question 45

What type of force causes these balloons to move toward or away from each other?

Accepted Answer

Electrical

Answer

Gravitational

Answer

Applied

Answer

Magnetic

Question 46

Speed is

Accepted Answer

the distance covered per unit of time

Answer

the time it takes something to move a certain distance

Answer

distance x time

Answer

time x distance

Question 47

Dan stays after class to work on is science homework and is late for football practice. He decides to run so the coach won't be mad. If the locker room is 600 m from the classroom and Jorge can run a surprising 20 m/s, how long would it take him to get there?

Accepted Answer

30 s

Answer

20 s

Answer

30 m

Answer

30 m/s

Question 48

Julie sees a guy at the band concert that she has a crush on and decides to chase him and ask him out on a date.. Find her speed if she runs 75 m in 10 s.

Accepted Answer

7.5m/s

Answer

750 m/s

Answer

75 m/s

Answer

25 m

Question 49

What is the force on a 500 kg elevator that is falling freely at 9.8 m/sec²

Accepted Answer

4900 n

Answer

102.04 n

Answer

9,800 n

Answer

103 n

Question 50

What is the acceleration of a 100 kg object pushed with a force of 500 newtons?

Accepted Answer

5 m/s2

Answer

100 m/s2

Answer

50,000 m/s²

Answer

500 m/s2

Question 51

A force of 300 N is applied to an object that accelerates at a rate of 5 m/sec². What is the mass of the object?

Accepted Answer

60 kg

Answer

300 kg

Answer

1,500 kg

Answer

6 kg

Question 52

According to Newton's second law, if you increase the force applied to an object :

Accepted Answer

it accelerates more

Answer

it doesn't move

Answer

you get more inertia

Answer

it decelerates

Question 53

If there are two forces going in the opposite direction how would you find the net force?

Accepted Answer

Subtract

Answer

Add

Answer

Neither

Answer

Multiply

Question 54

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

Accepted Answer

4 N Left  No

Answer

12 N Right  No

Answer

12 N Right  Yes

Answer

4 N Left  Yes

Question 55

A baseball bat hits a baseball with a force of 100 Newtons. What is the force and its direction exerted by the ball on the bat?

Accepted Answer

100 Newtons, opposite direction

Answer

100 Newtons, same direction

Answer

200 Newtons, same direction

Answer

200 Newtons, opposite direction

Question 56

The nozzle of a rocket is pointed downward so that as fuel is ignited, the exhaust pushes downward. Why is this arrangement necessary for a rocket to function properly?

Accepted Answer

As fuel is combusted, the rocket pushes the gases backward and the gases push the rocket forward.

Answer

The rocket is protected from the heat of the exhaust

Answer

Burned fuel can be collected on the ground.

Answer

This allows the rocket to be steered properly

Question 57

Newton's third law describes action and reaction forces. A table of four scenarios is provided.

Which of the scenarios described in the table show equal and opposite reaction forces?

Accepted Answer

The rocket and balloon

Answer

The rocket and train

Answer

The balloon and girl

Answer

The train and girl

Question 58

The head of a hammer is often made of steel. This makes the head heavy, which helps create a strong force for driving nails. Steel is also strong. The head of a hammer must be strong to resist what force?

Accepted Answer

The force of the nail pushing in the opposite direction

Answer

The force of the air resistance on the moving hammer

Answer

The force of the person using the hammer

Answer

The force of gravity pulling down on the hammer

Question 59

The illustration shows the forces in Newtons (N) acting on three different blocks.

Which boxes will move under these conditions?

Accepted Answer

Blocks 2 and 3

Answer

Blocks 1 and 2

Answer

Blocks 1 and 3

Answer

Blocks 1, 2, and 3

Question 60

The illustration shows the forces in Newtons (N) acting on three different blocks.

Which boxes will move under these conditions?

Accepted Answer

to the right with a strength of 11 Newtons.

Answer

to the left with a strength of 7 Newtons

Answer

to the right with a strength of 25 Newtons

Answer

to the left with a strength of 6 Newtons.

Question 61

Students are investigating how mass affects the force needed to move an object. They attached a wooden block to a spring scale and placed a 10 g mass on top of the block and pulled it 50 cm across the table.

Which of the following changes to their setup would result in a larger force reading on the spring scale?

Accepted Answer

Using a 20 g mass

Answer

Sliding the block 60 cm

Answer

Attaching a larger spring scale

Answer

Using a circular piece of wood

Question 62

Which of the following graphs shows how the mass of an object affects the amount of force needed to move it?

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science