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Forces
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Name:
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Your answer
What is a force?
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2 points
Your answer
What is friction?
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1 point
The force created when two objects rub together.
The push or pull that happens when a human uses energy.
The upward force that causes things to float.
the force that pulls objects towards the Earth.
What is gravity?
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1 point
the force that pulls objects towards the Earth.
The push or pull that happens when a human uses energy.
The upward force that causes things to float.
The force created when two objects rub together.
What is buoyancy?
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1 point
The push or pull that happens when a human uses energy.
The upward force that causes things to float.
the force that pulls objects towards the Earth.
The force created when two objects rub together.
What is muscular force?
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1 point
The force created when two objects rub together.
The push or pull that happens when a human uses energy.
the force that pulls objects towards the Earth.
The upward force that causes things to float.
Which of the following is not an example of gravity?
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1 point
Shoe rubbing on the floor.
A ball falling to the ground.
Rolling down a hill.
A leaf falling to the ground.
Two north poles on a magnet attract each other.
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1 point
Choose
true
false
The force that slows down a movement by object is called?
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1 point
Friction
Electrostatic
Gravity
Elastic force
Forces only act when things are touching.
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1 point
Choose
false
true
What are three things a force can do?
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3 points
Your answer
Give an example of a situation when you want to increase friction (make more friction).
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1 point
Your answer
Give an example of a situation when you want to decrease friction (make less friction).
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1 point
Your answer
Which surface would create the most friction?
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1 point
ice
carpet
tile
plastic
Which surface would create the least friction?
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1 point
tile
plastic
carpet
ice
Which two metals attract magnets? Check two boxes.
2 points
aluminum
iron
copper
nickel
Choose a natural force and give 3 ways it affects humans and/or the environment.
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4 points
Your answer
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