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REVIEW forces and machines
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Is it "contact" or "non contact force"?
It is "contact force".
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What is a force?
A force is the push and pull applied on an object.
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Name 3 machines that need "contact forces".
A car, a bike, a computer...
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It is a force that attracts the objects to the ground.
It is gravity.
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Do "non contact forces" need physical contact?
No
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What are contact forces?
Forces when two objects have a physical contact with each other.
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Is it "contact" or "non contact force"?
It is "contact force".
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Is it "contact" or "non contact force"?
It is "non contact force".
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How do we call this force?
It is magnetism.
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Is it "contact" or "non contact force"?
It is "non contact force". It is gravity.
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Okay!
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