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Duplicate of Physical Science Chapter 4-5 Review Flashcards | StudBud
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Duplicate of Physical Science Chapter 4-5 Review
Duplicate of Physical Science Chapter 4-5 Review
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Bob Jones University Physical Science (8th Grade) Chapter 4 and 5 Review
Flashcards
24 cards
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Practice quiz
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Questions
24
Answers
1
Distorts material by slippage: Scissors
Tensile
Compression
Shearing
Buoyant
2
Where is the only place that you can truly experience free fall?
Space
Outside on a still day
Anywhere
Classroom
3
Which of the following is not a contact force
Admission
Tension
Compression
Shear
4
The movement is slow when there is a zero net force.
False
True
5
Which field force affects the most?
Tension
Electrical
Magnetism
Gravitational
6
What are sketches that show how a force acts on an object called?
Force Diagram
push or a pull
x & y axis
Net force
7
Friction is a contact force.
False
True
8
What is a field in physics?
a value in space that refers to a system
a value in space where every point must have the same value
a value that indicates the amount of force on an object
a value in space where every point can have a different value
9
What is another name for Newton's 1st law?
Law of mass conservation
Law of action-reaction
Law of Inertia
Law of accelerated motion
10
Pull exerted on an object like a rope
Buoyant
Compression
Shearing
Tension
11
An object at rest tends to stay at rest; an object in motion tends to stay in motion. Inertia.
Newton's First Law
Newton's Second Law
Newton's Third Law
12
Resists motion of two objects moving against each other
Tension
Friction
Compression
Elastic
13
What is another name for contact forces?
Field forces
Kinetic forces
Mechanical forces
Static forces
14
Who first labeled Newton's first law of gravity "inertia"?
Kepler
Galileo
Einstein
Newton
15
What are the three factors to consider with the law of universal gravitation?
Velocity of the objects
Distance between the objects
Attraction between objects
Mass of the objects
16
A force is a vector, what things are needed giving its value
Direction
Number and direction
Number and unit
Number, unit, & direction
17
Air resistance as a form of friction
Drag
Speed
Displacement
Distance
18
Who was first to write about the laws of motion?
Archimedes
Aristotle
Newton
Galileo
19
Pushing or squeezing an object
Elastic
Friction
Shear
Compression
20
For every action there is an equal and opposite reaction
Newton's Third Law
Newton's Second Law
Newton's First Law
21
F = ma
Newton's Third Law
Newton's Second Law
Newton's First Law
22
Falling due to gravity alone
Projectile motion
Free fall
Terminal velocity
Acceleration
23
Who first labeled pushes and pulls forces
Galileo
Archimedes
Aristotle
Newton
24
What force is needed to accelerate a 50,000 kg train to 2 m/s
2
?
100,000 N
200,000 N
25,000 N
50,000 N
