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Fast Pass Physics 3rd Six weeks

Total questions: 40

Worksheet time: 1hrs 20mins

Name
Class
Date
1.
What is a force?
a)
a push or a pull
b)
a force that slows or stops an object in motion
2.
What is the unit used to measure work?
a)
Joule
b)
Watt
c)
Newton
d)
Pascal
3.
 Work done = Force x _________
a)
a. distance
b)
b. acceleration
c)
c. velocity
d)
d. speed
4.
What kind of energy is in a moving skateboard?
a)
Potential
b)
Kinetic
5.
What kind of energy is in a rock at the edge of a cliff?
a)
Potential
b)
Kinetic
6.
If W=Fd
Then how much work is done if it takes 20N to move a box 10 meters
a)
0
b)
2
c)
20
d)
200
7.
In which of the following situations do your arms do work on books?
a)
holding a heavy stack of books while standing
b)
carrying a heavy stack of books
c)
dropping a stack of books onto a table
d)
picking up a pile of books from the floor
8.
When work is done, there is always a(n) _______.
a)
constant rate
b)
single movement involved
c)
transfer of energy
d)
increase in the mechanical advantage
9.
When work is done, there is always a(n) _______.
a)
constant rate
b)
single movement involved
c)
transfer of energy
d)
increase in the mechanical advantage
10.
In which of the following is no work done
a)
climbing stairs
b)
lifting a book
c)
pushing a shopping car
d)
none of the above
11.
What is work?
a)
The product of force and displacement
b)
Causes a change in potential energy of an object
c)
Does not depend on the path traveled, but only starting and ending position
d)
All of these are true
12.
If you exert a force of 10.N to lift a box over 1 m how much work do you do.
a)
11
b)
10
c)
5
d)
20
13.

Conservation of energy means that

a)

energy can be created but not destroyed

b)

energy can be destroyed but not created

c)

energy can be both created and destroyed

d)

energy can be neither created nor destroyed

14.

The illustration shows a roller coaster and indicates four different positions the car might be at as it moves along the track.

At which point in the roller coaster's journey is its potential energy the greatest?

a)

W

b)

X

c)

Y

d)

Z

15.

Which variables affect kinetic energy?

a)

pressure and volume

b)

velocity and mass

c)

weight and height

d)

temperature and weight

16.

Sammy studied kinetic and potential energy by observing apples on a tree during a field investigation. What type of energy do the apples on the tree have?

a)

elastic potential energy

b)

mechanical energy

c)

gravitational potential energy

d)

sound energy

17.

A roller coaster is an example of a system with mechanical energy.

a)

True

b)

False

18.

When a tennis ball is dropped, potential energy is destroyed and kinetic energy is created.

a)

True

b)

False

19.
Describe the energy in this picture.
a)
Potential
b)
Kinetic
c)
Potential and Kinetic
d)
The slinky has no energy.
20.
What happens to energy?
a)
It is created.
b)
It is destroyed.
c)
It is transformed.
d)
Nothing changes.
21.
Describe the energy in the picture.
a)
Gravitational Potential
b)
Kinetic
c)
Elastic Potential
d)
No energy.
22.

Which point on the pendulum's swing represents the minimum potential energy?

a)

A

b)

B

c)

C

d)

D

23.

At what point on the hill will the car have zero gravitational potential energy?

a)

At the bottom of the hill.

b)

At the top of the hill.

c)

Half-way down the hill.

d)

It will never have zero gravitational potential energy

24.

Which point on the roller coaster's path represents the maximum kinetic energy?

a)

D

b)

C

c)

B

d)

A

25.
The momentum of an object depends upon the object's ___________&_____________.  
a)
size and shape
b)
mass and speed
c)
mass and veloctiy
d)
mass and energy
26.
The equation to calculate momentum is
a)
p=mv
b)
p=1/2mv2
c)
p=mgh
d)
p=mg
27.
Determine the momentum of 1000-kg car moving southward at 20 m/s......... 
a)
20000 N
b)
20000 Joules
c)
20000 Kg * m/s south
d)
10000 kg * m/s south
28.
Momentum is a ____________________ quantity
a)
science
b)
scalar
c)
vector
d)
energy
29.
The impulse is ______ the change in momentum
a)
Greater than
b)
Equal to
c)
less than
d)
always double
30.
In any collision (crash) the ______ is ALWAYS constant
a)
Total Momentum
b)
total speed
c)
total Velocity
d)
Energy
31.
Which of the following has the least amount of momentum?
a)
An ant walking along the ground
b)
An ant at rest
c)
An elephant walking
d)
An elephant running
32.
Which object listed below has the greatest momentum?
a)
A 0.05 kg object rolling at 0.2 m/s.
b)
A 0.15 kg object rolling at 2 m/s.
c)
A 0.15 kg object rolling at 1 m/s
d)
A 0.4 kg object rolling at 2 m/s.
33.

The Law of Conservation of Momentum states:

a)

The total momentum before a collision is equal to the total momentum after a collision.

b)

The total momentum before a collision is greater than the total momentum after a collision.

c)

The total momentum before a collision is less than the total momentum after a collision.

d)

The total momentum before a collision is not related to the total momentum after a collision.

34.

According to Newton's Laws, for every action there is an ....

a)

equal and opposite reaction.

b)

equal and parallel reaction.

c)

unequal and opposite reaction.

d)

unequal and unrelated reaction.

35.

Pick all of the scenarios below that are collisions.

a)

A catcher catches a baseball.

b)

A pitcher throws a baseball.

c)

Two cars smash into each other.

d)

Two students on roller skates push away from each other.

e)

A bug smashes into a windshield.

36.

Rahim observed a collision in lab where the kinetic energy after the collision was equal to the kinetic energy before the collision. This type of collision is

a)

Completely Inelastic

b)

Elastic

c)

Inelastic

37.

Which of the 0.5kg spheres in the image experiences the greater impulse?

a)

Black

b)

White

c)

Same

d)

Not Enough Info

38.

If each object is moving at the same velocity which will have the least momentum?

a)

Baseball

b)

Bowling Ball

c)

Golf Ball

d)

Tennis Ball

39.

If you double the velocity of an object, then its momentum will ______________.

a)

will double

b)

will half

c)

will quadruple (x4)

d)

will be quartered (x 1/4)

40.

If an object has a momentum of 40 kgm/s and a mass of 60 kg, what is it's velocity?

a)

2400 m/s

b)

1.5 m/s

c)

240 m/s

d)

.67 m/s