Quiz about Newton's Laws

Question 1

What is the formula for force?

Accepted Answer

F=M*A

Answer

F=M/A

Answer

F=A/M

Answer

F=M*F

Question 2

45 m/s² is an example of

Accepted Answer

Acceleration

Answer

Mass

Answer

Force

Answer

weight

Question 3

What unit of mass is used in force problems?

Accepted Answer

kg

Answer

m/s 2

Answer

m/s

Answer

g

Question 4

What is the standard unit force is measured in?

Accepted Answer

Newtons

Answer

pounds

Answer

grams

Answer

meters

Question 5

If a force of 26 N is exerted on two balls, one with a mass of 0.52 kg and the other with a mass of 0.78 kg, which ball will have the greater acceleration?  (F=ma)

Accepted Answer

The one with a mass of .52 kg will have the greatest acceleration.

Answer

The one with a mass of .78 kg will have the greatest acceleration.

Answer

They will both accelerate at the same rate.

Question 6

A student pushes a box to right with a force of 10N while a young boy pushes the box to the left with a force of 8N. What is the sum of all forces on the box?

Accepted Answer

2N right

Answer

18N left

Answer

18N right

Answer

2N left

Question 7

If net force acting on object is 0, then the force is considered to be..

Accepted Answer

Balanced

Answer

Unbalanced

Answer

Equal in Direction

Answer

Distance/Time

Question 8

Newton's third law is known as the Law of

Accepted Answer

Action/Reaction

Answer

Inertia

Answer

Force and Acceleration

Question 9

A person is pushed forward into their seat belt when a car stops.  Which law is this?

Accepted Answer

1st

Answer

2nd

Answer

2 and 3

Answer

3rd

Question 10

When a cannon fires a cannonball we observe Newton's third law. Which force is the reaction force?

Accepted Answer

The cannon moving backward

Answer

The cannon moving forward

Answer

The cannonball moving forward

Answer

The cannonball moving backward

Question 11

Which law best explains why the coin sitting on top of the ring falls directly into the jar below because it wants to remain at rest?

Accepted Answer

Newton's Law of Inertia

Answer

Newton's Law of F=ma

Answer

Newton's Law of Force Pairs

Answer

Newton's Calculus

Question 12

Which law best explains how objects accelerate when a force is applied?

Accepted Answer

Newton's 2nd Law

Answer

Newton's 1st Law

Answer

Newton's 3rd Law

Answer

Newton's Law of Universal Gravity

Question 13

Which law best explains why the boat moves in the opposite direction that Sally moves as she jumps to shore?

Accepted Answer

Newton's Law of Force Pairs

Answer

Newton's Law of Inertia

Answer

Newton's Law of F=ma

Answer

Newton's Law of Chemistry

Question 14

Which law best explains why people remain in motion when a car crashes, if they are not wearing a seat belt?

Accepted Answer

Newton's Law of Inertia

Answer

Newton's Law of F=ma

Answer

Newton's Law of Force Pairs

Answer

Newton's Law of Biology

Question 15

Based on Newton's Law of Force Pairs, what would be the reaction force, if the action force is 60 N to the right?

Accepted Answer

60 N to the left

Answer

60 N to the right

Answer

30 N to the left

Answer

0 N to the right

Question 16

Which law best explains why more force must be applied to the bowling ball to make it accelerate at the same rate as the tennis ball.

Accepted Answer

Newton's Law of F=ma

Answer

Newton's Law of Inertia

Answer

Newton's Law of Force Pairs

Answer

Newton's Law of Biology

Question 17

A 20 kg bike accelerates at 10 m/s². what was the force?

Accepted Answer

200 Newtons

Answer

30 Newtons

Answer

20 Newtons

Answer

10 Newtons

Question 18

A bike accelerates at 10 m/s²when a force of 50N is applied. What is the mass of the bike and its rider?

Accepted Answer

5 kg

Answer

500 g

Answer

500 kg

Answer

5 g

Question 19

A kid is rolling a tire with a force of 7 N. The mass of the tire is 1.5 kg. What is the acceleration?

Accepted Answer

4.7 m/s2

Answer

4.7 m/s

Answer

10.5 m/s2

Answer

10.5 m/s

Question 20

A woman hits a 0.3 kg golf ball causing it to accelerate at rate of 20 m/s². Calculate the force used on the golf ball.

Accepted Answer

6 N

Answer

6 n

Answer

.015 N

Answer

66.6 N

Question 21

A force of 560 N is needed to produce an acceleration of 20 m/s². What is the mass of the accelerated body?

Accepted Answer

28 kg

Answer

11200 kg

Answer

28 g

Answer

11200 g

Question 22

Which one needs a greater net force to move, a kilogram of feathers or a kilogram of iron?

Accepted Answer

same

Answer

feathers

Answer

iron

Answer

depends on their friction

Question 23

What is Newton's First Law known as? The Law of

Accepted Answer

Inertia

Answer

Friction

Answer

Mass

Answer

Gravity

Question 24

What is the formula for force?

Accepted Answer

F=MA

Answer

F=M/A

Answer

F=AX

Answer

what is force?

Question 25

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 26

True or False. Acceleration of an object is directly proportional to the net force acting on it

Accepted Answer

True

Answer

False

Question 27

Your car has a mass of 2500 kg and a force of 5000 N. How fast will it accelerate?

Accepted Answer

2 m/s2

Answer

20 m/s2

Answer

0.5 m/s2

Answer

120 N

Question 28

If the man pushes with an equal amount of force, which object will accelerate more?

Accepted Answer

Lawnmower because it has less mass

Answer

Car because it has more mass

Answer

Car because it has less mass

Answer

Lawnmower because it has more mass

Question 29

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

Accepted Answer

250 N

Answer

2.5 N

Answer

25 N

Answer

15 N

Question 30

An ewok threw a rock with a force of 24.6N and an acceleration of 6m/s² at an innocent storm trooper. What was the rocks mass?

Accepted Answer

4.1kg

Answer

4Kg

Answer

41kg

Answer

46kg

Question 31

Your car has a mass of 2500 kg and a force of 5000 N. How fast will it accelerate?

Accepted Answer

2 m/s2

Answer

20 m/s2

Answer

0.5 m/s2

Answer

120 N

Question 32

What happens when unbalanced forces act on an object at rest?

Accepted Answer

the object begins moving in the direction of the net force

Answer

the object remains at rest

Answer

the object begins moving in an unpredictable direction

Answer

the object begins moving opposite to the direction of net force

Question 33

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

Accepted Answer

320N

Answer

38.25 Kg

Answer

5N

Answer

3.825Kg

Question 34

Which of the following best describes Newton's 1st law?

Accepted Answer

Objects keep doing what they are doing unless a force is applied

Answer

Objects react to outside forces

Answer

Unbalanced forces on an object keep it at rest

Answer

More mass = more inertia

Question 35

You push on a tree with 20 N of force. If the tree doesn't move, the tree is pushing back on you with _____of force.

Accepted Answer

20 N

Answer

0 N

Answer

10 N

Answer

40.04 N

Question 36

A distance vs. time graph shows an object's

Accepted Answer

speed

Answer

frame of reference

Answer

acceleration

Answer

favorite food

Question 37

When something has speed in a certain direction it is called ___________.

Accepted Answer

velocity

Answer

motion

Answer

position

Answer

speed

Question 38

LT4: The graph shows Ashley riding her bike to Maria's house.

What is occurring from point A to point B?

Accepted Answer

she is traveling at a constant speed

Answer

she is decreasing in speed

Answer

she stopped to take a break

Question 39

LT4: The graph shows Ashley riding her bike to Maria's house.
What was occurring from point B to point C?

Accepted Answer

She stopped for 4 minutes

Answer

She was increasing her speed.

Answer

She was decreasing in speed

Question 40

Which of Newton's Laws of Motion best describes why the scenario below occurs?

A person is standing in a San Francisco cable car and it suddenly stops. The body of the person standing in the cable car continues to move forward in the direction that the cable car was moving.

Accepted Answer

Newton's First Law

Answer

Newton's Second Law

Answer

Newton's Third Law

Question 41

Which series of items is correctly listed in order from least inertia to most inertia?

Accepted Answer

Flower- Shoe- Refrigerator- Car- Plane

Answer

Plane- Car- Refrigerator- Shoe- Flower

Answer

Car- Flower- Plane- Refrigerator- Shoe

Answer

Flower- Car- Refrigerator- Shoe- Plane

Question 42

Which of Newton's Laws of Motion best describes why the scenario below occurs?

A person is using a bicycle to deliver packages. The further she travels on her route the number of packages she needs to carry on her bike decreases. She notices as she is delivering packages she does not have to pedal as hard to keep the same speed.

Accepted Answer

Newton's Second Law

Answer

Newton's First Law

Answer

Newton's Third Law

Question 43

When a hammer is swung and hits a nail, the hammer exerts a force onto the nail. The nail...

Accepted Answer

exerts and equal and opposite force back on the hammer.

Answer

will decrease in temperature because of friction.

Answer

will never move because of inertia.

Answer

increase in mass.

Question 44

A car with a mass of 1800 kg is traveling down the road when it hits an insect that has a mass of 6 grams. The insect does not survive the impact, but the car keeps traveling as if nothing had happened.

Does the car or insect exert more force on the other object.

Accepted Answer

The force of the car and insect are equal to each other.

Answer

The car exerts more force on the insect.

Answer

The insect exerts more force on the car.

Answer

They do not exert any force on each other.

Newton's Laws

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