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7 Cards in this Set
- Front
- Back
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What is friction?
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The force that tries to stop materials from sliding past each other.
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What is air resistance?
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Friction with air.
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What does air resistance do?
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It slows down our moments.
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Why isn't there friction in space?
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Because there is no air in space.
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What is a machine?
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In science, a machine is any device which helps to make our work easier.
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What are force magnifiers?
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Machines which can overcome a large force using a small force.
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What are movement magnifiers/distant multipliers?
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Machines which produce a bigger movement from a smaller movement.
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