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15
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The force that keeps objects on top of surfaces instead of letting them sink into the surface is known as:
applied force
normal force
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monster
Reset all scores!
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rocket
Go to first place!
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shark
Other team loses 5 points!
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baam
Lose 20 points!
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15
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Why doesn’t a book fall through the table?
Air holds the book up
The book is light
Gravity is weak
The table provides a normal force
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15
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To use force to cause something to move closer.
Push
Pull
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What is an applied force?
A force caused by air
A force caused by gravity
A force exerted by a person or object
A force from a surface
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banana
Go to last place!
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rocket
Go to first place!
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rocket
Go to first place!
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baam
Lose 25 points!
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Which type of force is this?
Applied Force
Frictional Force
Gravitational Force
Balanced Force
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15
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A(n) _____ is a force applied by a person or object onto another object.
electric force
applied force
magnetic force
normal force
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What happens when you drop a book?
It floats in the air
It falls toward the ground
It disappears
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When you kick a football, what force is acting on the ball?
Magnetic force
Applied force
Normal force
Gravity only
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Which action uses an applied force?
Rain falling
A jar on a table
Pushing a door open
A rock falling
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15
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In a force diagram, the arrow show ___
normal force
friction
gravity
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What is a normal force?
A force from wind
A force from a surface that supports an object
A pulling force from the Earth
A force from muscles
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15
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What is gravity?
A force caused by air
A force made by machines
A force that pushes objects upward
A force that pulls objects toward the Earth
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lifesaver
Give 20 points!
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rocket
Go to first place!
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gift
Win 20 points!
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banana
Go to last place!
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Which is NOT an applied force?
Gravity
Pushing a cupboard
Lifting a backpack
Pulling a rope
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