Chapter 5 Review

1
Chapter 5 Review
2
Question 1

• A force applied over a distance is called
  ____________.

3
ANSWER

• Work

4
Question 2

• What are the metric units used to measure Work?
  (Write out the word.)

5
ANSWER

• Joules

6
Question 3

• Energy of motion is called
• Potential
• Work
• Kinetic
• Chemical

7

• Kinetic

8
Question 4

• What are the metric units used to measure power?
  (Write out the word)

9

• Watts

10
Question 5

• A force of 45 Newtons acts on an object at an
  angle of 50 degrees above the horizontal pulling
  it 3 meters. How much work was done? (you must
  have the proper units with your answer)

11

• 86.8 Joules

12
Question 6

• Power is ________ related to time.
• A) Directly
• B) Inversely
• C) Quadratically
• D) Linearly

13

• B) Inversely

14
Question 7

• When the force acting on an object is opposite
  the direction of motion of the object, _________
  work is done.

15

• negative

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Question 8

• _________ is defined as the ability to cause
  change or the ability to do work.

17

• Energy

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Question 9

• If an object doubles its mass, its potential
  energy will ________.
• be halved
• double
• quadruple
• be reduced to one fourth

19

• B) double

20
Question 10

• If an object doubles its velocity its kinetic
  energy ________.
• be halved
• double
• quadruple
• be reduced to one fourth

21

• C) quadruple

22
Question 11

•  
• In the lab, we found the work done on the bow by
  pulling it back by finding the ________ under the
  graph of force vs. displacement.

23
 
ANSWER

• area

24
Question 12

• A rollercoaster is moving halfway down its hill.
  What type or types of mechanical energy does it
  have? (Be as specific as possible)

25

• Kinetic Energy and Gravitational Potential Energy

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Question 13

• Energy can neither be created nor destroyed but
  it can be converted from one form to another.
  This statement is called ______.

27

• Law of Conservation of Energy

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Question 14

• A skier cruises over a hill at 5.4 m/s. The hill
  is 6.4 m high. The hill is frictionless. What
  is the velocity of the skier at the bottom of the
  hill?

29

• 12.4 m/s

30
Question 1

• A force applied over a distance is called
  ____________.

31
Question 2

• What are the metric units used to measure Work?
  (Write out the word.)

32
Question 3

• Energy of motion is called
• Potential
• Work
• Kinetic
• Chemical

33
Question 4

• What are the metric units used to measure power?
  (Write out the word)

34
Question 5

• A force of 45 Newtons acts on an object at an
  angle of 50 degrees above the horizontal pulling
  it 3 meters. How much work was done? (you must
  have the proper units with your answer)

35
Question 6

• Power is ________ related to time.
• A) Directly
• B) Inversely
• C) Quadratically
• D) Linearly

36
Question 7

• When the force acting on an object is opposite
  the direction of motion of the object, _________
  work is done.

37
Question 8

• _________ is defined as the ability to cause
  change or the ability to do work.

38
Question 9

• If an object doubles its mass, its potential
  energy will ________.
• be halved
• double
• quadruple
• be reduced to one fourth

39
Question 10

• If an object doubles its velocity its kinetic
  energy ________.
• be halved
• double
• quadruple
• be reduced to one fourth

40
Question 11

•  
• In the lab, we found the work done on the bow by
  pulling it back by finding the ________ under the
  graph of force vs. displacement.

41
Question 12

• A rollercoaster is moving halfway down its hill.
  What type or types of mechanical energy does it
  have? (Be as specific as possible)

42
Question 13

• Energy can neither be created nor destroyed but
  it can be converted from one form to another.
  This statement is called ______.

43
Question 14

• A skier cruises over a hill at 5.4 m/s. The hill
  is 6.4 m high. The hill is frictionless. What
  is the velocity of the skier at the bottom of the
  hill?