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15 Cards in this Set
- Front
- Back
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Scissors are made of two _____ that work together.
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levers
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Where is force put on scissors?
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You put the force on the handles.
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Where is the work of a scissors done?
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work of a scissors is done at the blades.
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Where is the fulcrum on a scissors?
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The levers share a fulcrum at the place where the levers are joined.
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The scissors blades are two sharp_______.
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wedges
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A combination of two or more simple machines is called a _______ ___________.
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compound machine
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How are screws used in a bicycle?
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Screws hold many parts of the bike together.
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What kinds of simple machines are a bike's hand brakes?
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The Bicycles hand brakes are levers.
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On a bike,the _____ _____ and the rear wheel form a wheel and axle
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little sprocket
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On a bicycle the ____ ______ and the cranks and the pedals form a wheel and axle.
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big sprocket
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A _____ ____ is a combination of two or more simple machines.
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compound machines
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A pair of scissors is made of two ______
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levers
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a sprocket is a wheel with ______
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teeth
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The big sprocket and the cranks and the pedals of a bicycle are one ____ ____ ___
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wheel and axle
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Two gears working together change ____ put into a machine
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force
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