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Integrated Physical Science Unit 3 Review

Total questions: 38

Worksheet time: 53mins

Name
Class
Date
1.
Energy of motion is which type of energy?
a)
Potential
b)
Kinetic
c)
Sound
d)
Gravitational
2.

What is defined as the ability to do work?

a)

power

b)

energy

c)

force

d)

momentum

3.

What type of energy is the sum of kinetic and potential energy?

a)

mechanical energy

b)

chemical energy

c)

thermal energy

d)

sound energy

4.

Which term describes stored energy?

a)

Kinetic

b)

Potential

c)

Work

d)

Power

5.

What two quantities does potential energy depend on?

a)

mass, velocity

b)

mass, position

c)

velocity, position

d)

mass, weight

6.

What two quantities does kinetic energy depend on?

a)

mass, velocity

b)

mass, position

c)

mass, weight

d)

velocity, distance

7.
As a pendulum swings from its highest to lowest position, what happens to its kinetic and potential energy? 
a)
Both the potential energy and kinetic energy decrease
b)
The potential energy decreases while the kinetic energy increases 
c)
The kinetic energy decreases while the potential energy increases 
d)
Bothe the potential energy and kinetic energy increase 
8.

When is the potential energy the greatest in a roller coaster?

a)

At the bottom of the first hill

b)

At the top of the first hill

c)

As the coaster enters a curve

d)

At the end of the ride

9.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
10.
At which point is kinetic energy greatest? 
a)
W
b)
X
c)
Y
d)
Z
11.
Which of the following energy transformations occur when a lamp that is plugged into a wall socket is functioning correctly?
a)
Chemical to light
b)
Electrical to chemical
c)
Electrical to light
d)
Chemical to electrical
12.
What energy transformations take place when a battery-operated radio is in use?
a)
Electrical to chemical to light
b)
Sound to chemical to mechanical
c)
Chemical to electrical to sound
d)
Light to electrical to thermal
13.
An apple hanging from the branch of a tree falls down.  How does its energy change as it falls?
a)
The kinetic energy of the apple converts to potential energy.
b)
The potential energy of the apple coverts to kinetic energy.
c)
The kinetic energy of the apple remains constant.
d)
The potential energy of the apple remains constant.
14.
The cyclist has the most kinetic energy at which point? 
a)
A
b)
B
c)
C
d)
NONE
15.

At which of these positions does the ball have both the greatest kinetic energy and the least potential energy?

a)

Position 1

b)

Position 2

c)

Position 3

d)

Position 4

16.

In which situation is work being done?

a)

A UPS driver walks with a box under his arm at a constant speed.

b)

A USPS mailman moves from a walk to a sprint when a dog starts to chase him.

c)

A FedEx delivery driver slides a box across a shelf.

d)

An Amazon delivery man sits anxiously in his truck at a red light.

17.

What two quantities does elastic potential energy depend on?

a)

the material & velocity at which it is stretched/compressed

b)

mass of the substance & the position it is held

c)

mass of the substance & velocity at which it is stretched/compressed

d)

The material & the distance stretched/compressed

18.

Where would this tossed baseball have the least amount of kinetic energy?

a)

point W

b)

point X

c)

point y

d)

point z

19.

Where would this tossed baseball have the greatest amount of kinetic energy?

a)

point W

b)

point X

c)

point y

d)

point z

20.

A cheetah can run briefly with a speed of 31.0 m/s. Suppose a cheetah with a mass of 47.0 kg runs at this speed. What is the cheetah’s kinetic energy?

KE = 1/2 mv2

a)

1457 Joules

b)

22,584 Joules

c)

15 Joules

d)

45,167Joules

21.
At what position does the rock have the greatest kinetic energy?
a)
A
b)
B
c)
D
d)
E
22.

A spring stretched 0.42 m has an elastic potential energy of 35 J. Calculate the spring constant.  k =2 EPEx2k\ =\frac{2\ EPE}{x^2}  

a)

8.6  N⋅m−1N\cdot m^{-1}  

b)

83  N⋅m−1N\cdot m^{-1}  

c)

166  N⋅m−1N\cdot m^{-1}  

d)

397  N⋅m−1N\cdot m^{-1}  

23.

If a green golf ball is dropped from a height of 7 feet and a yellow golf ball is dropped from a height of 12 feet, which ball has greater potential energy before it is released?

a)

yellow

b)

green

c)

Both have the same amount of potential energy.

d)

Neither will have more potential energy than the other.

24.

Calculate the elastic potential energy Leo puts into the trampoline mat when he stretches the mat (k= 473 Nm-1) by 0.35 m. EPE = 1/2 kx2

a)

165.6 J

b)

82.8 J

c)

29 J

d)

675.7 J

25.

Does the person in this picture do work on the rock?

a)

No, the energy of the rock does not change.

b)

No, the person does not accelerate the rock.

c)

Yes, the person changes the potential energy of the rock.

d)

Yes, the person applies a balanced force to the rock at the top of the hill.

26.

What is the SI unit of work and energy?

a)

Watt

b)

Hertz

c)

Joule

d)

Newton

27.

What is the SI unit for power?

a)

What

b)

Watt

c)

Joule

d)

Newton

28.

A basketball that is dropped bounces back up to its original height. Pick the correct energy transformation from the point when it was dropped until it returns to the original height.

a)

KE --> PE --> Elastic

b)

PE --> KE --> Elastic --> KE --> PE

c)

KE --> PE --> Elastic --> PE --> KE

d)

Elastic --> PE --> KE --> Elastic

29.

How much work is done on a 2540 N crate that is hoisted 3.2 m into the air?

W = Fd

a)

794 J

b)

1104 J

c)

5842 J

d)

8128 J

30.

Which term is defined as a change in energy?

a)

Power

b)

Work

c)

Force

d)

Momentum

31.

Which term is defined as the rate of doing work?

a)

Power

b)

Energy

c)

Force

d)

Momentum

32.

What is the value for the acceleration due to gravity (g) on Earth?

a)

10 m/s/s

b)

10 m/s

c)

42 m*s

d)

42 m/s/s

33.

A 5 kg ball is lifted 12 m above the ground. What is the gravitational potential energy of the ball?

GPE = mgh

a)

60 J

b)

600 J

c)

17 J

d)

2.4 J

34.

You drop a 5 kg ball from a height of 2 m. Just before it reaches the ground, how much kinetic energy does it have?

GPE = mgh

KE = 1/2 mv2

a)

10 J

b)

100 J

c)

7 J

d)

20 J

35.

A crane lifting a steel beam does 3500 J of work in 15 seconds. Calculate the power of the crane.
 P = WtP\ =\ \frac{W}{t}  

a)

58 W

b)

69 W

c)

233 W

d)

52500 W

36.

What amount of mechanical energy does this rollercoaster have?

a)

7,500 J

b)

20,000 J

c)

32, 500 J

d)

40,000 J

37.

The mechanical energy of the cannon ball in the picture above is 1500 J. What is the value of the kinetic energy at point B?

a)

0 J

b)

375 J

c)

750 J

d)

1500 J

38.

The mechanical energy of the cannon ball in the picture above is 1500 J. At what point would all the mechanical energy be in the form of gravitational potential energy (GPE = 1500 J)?

a)

A

b)

B

c)

C

d)

E

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