Chapter 4 Review

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Chapter 4 Review

• Mr. Hauser

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Rules of the Game

• Working in TEAMS, you will be asked to answer
  questions from the assigned chapters.
• You have 30 seconds to write the answer down on
  the dry erase board.
• When the teacher says TIMES UP, a team leader
  will stand up and show the teacher their answer.

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Rules (Continued)

• Each correct answer is worth one point, unless
  otherwise stated.
• Teams can lose points for inappropriate conduct,
  comments, or cheating.
• The team with the most points at the end of the
  game wins!

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Question 1

• For every action, there is an equal and opposite
  reaction is a statement of _______________.

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ANSWER

• Newtons Third Law

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Question 2

• What are the English units used to measure mass?
  (Write out the word.)

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ANSWER

• Slug

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Question 3

• If an objects mass is increasing while a
  constant force is applied to the object, the
  acceleration
• Increases
• Decreases
• Remains the same

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ANSWER

• A. Decreases

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Question 4

• Find the mass of something that weighs 56 N.
  (with proper units)

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ANSWER

• 5.7 kg

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Question 5

• An objects resistance to a change in its state
  of motion is called _________.

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ANSWER

• Inertia

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Question 6

• The mass of a pet turtle that weighs 10N is about
• 1kg
• 100kg
• 1000 kg
• 10 kg
• none of these

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ANSWER

• A. 1kg

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Question 7

• Your textbook weighs 2 N. When held at rest
  above your head, the net force on the book is
• 0 N.
• 2 N.
• 4 N.
• None of these

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ANSWER

• A. 0 Newtons

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Question 8

• Which has no change in its state of motion?
• An object in equilibrium.
• An object at rest.
• An object moving at a constant speed.
• All of these.
• None of these.

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ANSWER

• D. All of These

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Question 9

• If the acceleration of gravity on Jupiter is 3
  times that on Earth. What will the mass of 10 kg
  of copper be on Jupiter?

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ANSWER

• 10 kg
• (The mass doesnt change)

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Question 10

• What is the only quantity that affects the amount
  of inertia something has?

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ANSWER

• mass

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Question 11

• Newtons Second Law states
• aF-M
• aF/m
• mF a
• Fm/a

25
ANSWER

• B. a F/m

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Question 12

• A jet has a mass of 100,000kg. Each engine has a
  force of 50,000N. What is the jets acceleration
  in meters per second squared?
• 1
• 2
• 4
• .25
• None of these

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ANSWER

• 1 m/s2

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Question 13

• An object is pulled up with a two forces of 20 N
  and 35 N. However, gravity pulls down on it with
  40 N. Find the net forces size and direction.

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ANSWER

• 15 N going up

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Question 14

• When an object falls through a vacuum, its
  velocity increases and its acceleration
• Increases
• Decreases
• Stays the same

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ANSWER

• C. Stays the same

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Question 15

•  
• A 4 kg object has 35 N pulling to the right, 20 N
  pulling up, and 5 N pulling to the left. Find
  its accleration and direction

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ANSWER

• 9.0 m/s2 at 33.7 degrees north of east

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Question 16

• This quantity measures the rate of change of
  velocity.

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ANSWER

• Acceleration

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Question 17
Forces always Occur a. When velocities are
constant b. In Pairs c. As single
quantities d. In triplets
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Answer
B. In Pairs
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Question 18Accelerations are produced by

1. Velocities
2. Speeds
3. Forces
4. Masses
5. None of the above

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Answerc. forces
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Question 19An unfortunate bug splatters against
the windshield of a moving car. Compared to the
force of the car on the bug, the force of the bug
is .

1. Smaller
2. Larger
3. The same size

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Answerc. The same size
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Question 20According to Newtons Third Law, if
you push gently on something, it will push.

1. Gently on you
2. Gently on something else
3. On you only if you are not moving

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Answera. Gently on you