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🚗💥🚙Mass, Acceleration, and Collisions🚗💥🚙

Total questions: 40

Worksheet time: 32mins

Name
Class
Date
1.
____________ is the ability to cause change. 
a)
Energy 
b)
Force 
c)
Friction
d)
Motion
2.
Energy due to motion is ____________ energy. 
a)
Potential 
b)
Energy
c)
Kinetic
d)
Friction
3.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
4.
Energy can be _____________ or changed from one type to another.
a)
destroyed
b)
transferred
c)
created
d)
ignored
5.
This is what you're actually testing in an experiment.
a)
manipulated variable
b)
dependent variable
c)
controlled variable
d)
responding variable
6.
Scientific Question:  Does being tardy impact test scores?
What is the manipulated variable?
a)
test scores
b)
the time a student arrives to class (tardies)
c)
amount of time to complete test
7.
Scientific Question:  Does being tardy impact test scores?
What is the responding variable?
a)
test scores
b)
the time a study arrives to class
c)
amount of time to complete test
8.
Scientific Question:  Does the type of sneaker you wear affect how fast you can run?
What is the manipulated variable?
a)
type of sneaker
b)
how fast you run
c)
person
9.
Scientific Question:  Does the type of sneaker you wear affect how fast you can run?
What is the responding variable?
a)
type of sneaker
b)
how fast you run
c)
person
10.
Is this graph a direct relationship or an inverse relationship?
a)
direct
b)
inverse
11.
Is this a direct relationship?
a)
yes
b)
no
12.
What has a greater impact on the change in kinetic energy?
a)
mass
b)
speed
13.
States that whenever one object exerts force on another, the second object exerts an equal and opposite force on the first.
a)
Newton's Third Law of Motion
b)
Newton's First Law of Motion
c)
Law of Conservation of Motion
d)
Newton's Second Law of Motion
14.
States that the acceleration of an object is directly proportional to its mass
a)
Newton's Second Law of Motion
b)
Newton's First Law of Motion
c)
Newton's Third Law of Motion
d)
Law of Conservation of Motion
15.
The reluctance of a body to change its state of motion.
a)
Friction
b)
Gravity
c)
Inertia
d)
Momentum
16.
The mass of an object multiplied by its speed or velocity
a)
Inertia
b)
Momentum
c)
Gravity
d)
Friction
17.
What is the acceleration of a 50 kg object pushed with a force of 500 newtons?
a)
100 m/s2
b)
25,000 m/s2
c)
10 m/s2
d)
25 m/s2
18.

What is the force on a 1000 kg elevator that is falling freely at 9.8 m/sec2

a)

102.04 n

b)

9,800 n

c)

980 n

d)

103 n

19.

A 50 kg skater pushed by a friend accelerates 5 m/sec2. How much force did the friend apply?

a)

45 N

b)

15 N

c)

10 N

d)

250 N

20.

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)

100kg

b)

1,250kg

c)

50kg

d)

5kg

21.
This triangle is used to determine speed. 
a)
True
b)
False
22.

Which example below demonstrates Newton's third law of motion the best?

a)

When a boxer lands a powerful hit on his or her opponent the opponent loses composure or can even get knocked down.

b)

It takes more force for a boxer to knock out a larger opponent vs a smaller opponent.

c)

Sometimes when a boxer is warming up by running but they can be slowed down if there is traffic in the road.

d)

There are only two laws of motion.

23.
An 18-wheeler requires more time and distance to stop than a Mini-Cooper.
a)
Law  of Inertia
b)
Law of Force and Acceleration
c)
Law  of Action-Reaction
24.
Pam ran down the sidewalk to school with her empty backpack. After school Pam's backpack was loaded with books. Which best describes the force required to carry the book bag home?
a)
It took the same amount of force both times.
b)
It took more force when the book bag was loaded.
c)
It took less force with the bookbag was loaded.
d)
It took more force to carry the empty book bag.
25.
Matt had a toy truck weighing 15 g and a toy car weighing 6 g. Using the same amount of force on each toy, he pushed them both across his desk. The car reached the other side of the desk in 1.5 seconds, but it took the truck 3.5 seconds to reach the other side of the desk. Why did the car travel the same distance in a shorter amount of time?
a)
The car had more mass and traveled at a faster speed than the truck
b)
The car had more mass and traveled at a faster speed than the car.
c)
The car had less mass and traveled at a faster speed than the truck.
d)
Friction slowed the toy truck down.
26.

Every time your cat’s paw hits her toy string, it swings away from her. How does this demonstrate Newton’s third law of motion?

a)

Objects with mass, such as your cat’s paw and toy string, will require inertia.

b)

For every motion from your cat’s paw, there is unbalanced inertia from the string.

c)

Objects in action, such as the string toy, will experience force.

d)

For every action your cat makes, there is an equal and opposite reaction from the string.

27.

What happens when two objects, such as a baseball and a bat, collide?

a)

They hit each other with the same force in the same direction.

b)

They hit each other with the same force in opposite directions.

c)

They hit each other with unequal force in opposite directions.

d)

One remains still while the other one moves in the same direction.

28.
A bus hits a bug and the bug splatters on the windshield, which force is greater?
a)
The Bus
b)
The Bug
c)
They're the same
d)
Gravity acting on the bus
29.
Newton's third law states that any action will have a(n) _______ and ______ reaction
a)
Equal and similar
b)
Equal and opposite
c)
Equal and different
d)
Greater and opposite
30.
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
31.
What is not an example of Newton's Third Law?
a)
Two people pushing against each other with the same force and in opposite directions
b)
You have to push a heavy ball harder to move as fast as a smaller one
c)
When you sit on a chair, your body acts as a force on the chair, and the chair acts as another force holding your body up
32.

A baseball player bats a ball with a force of 1,000N. The ball exerts a reaction force against the bat of...

a)

1,000N

b)

Less than 1,000N

c)

More than 1,000N

d)

500N

33.

A softball and a volleyball collide with equal speed, and then they accelerate at the same rate. What must be true about the masses of the objects?

a)

The softball has more mass than the volleyball.

b)

The softball and the volleyball have equal mass.

c)

The volleyball has more mass than the softball.

d)

It is impossible to compare the mass of the softball and the volleyball

34.

Forces always occur

a)

as single quantities

b)

in pairs

c)

by themselves

35.

If a horse pulls on a wagon at rest, the wagon pulls back equally on the horse. Can the wagon be set into motion?

a)

Yes, because there is a net force acting on the wagon.

b)

Yes, because there is a time delay between action and reaction.

c)

No, because the forces cancel each other.

d)

Yes, because the horse's pull on the wagon is larger than the wagon's pull on the horse.

36.

You drive past a farm, and you see a cow pulling a plow to till a field. You have just learned about Newton’s third law, and you wonder how the cow is able to move forward if the plow is exerting an equal and opposite force on the cow. Which of the following explains the movement of the cow and plow?

a)

The force exerted by the cow on the plow is equal to the force that the cow exerts on the ground to move forward.

b)

The force exerted by the cow on the plow is larger than the force that the cow exerts on the ground to move forward.

c)

The force exerted by the cow on the plow is smaller than the force that the cow exerts on the ground to move forward.

37.

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

a)

The cannon moving forward

b)

the cannon moving backwards

c)

the cannonball moving backwards

d)

The cannonball moving forward

38.

If I apply the same force to a ping pong ball and a bowling ball, which one will accelerate farther and faster?

a)

ping pong ball

b)

bowling ball

c)

I have no idea

39.
How much force is needed to accelerate a 2 kg physics book to an acceleration of 6 m/s/s?
a)
36 N
b)
12 N
c)
3 N
d)
0.33 N
40.
Football A has a greater mass than football B.  Which football will have greater acceleration when both are thrown with the same force in the same direction?
a)
Football A
b)
Football B
c)
They will have the same acceleration
d)
Mass has no effect on acceleration

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