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Simple Machines
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Question | Answer |
---|---|
What is an inclined plane in a spiral rotation? | screw |
What type of simple machine are scissors? | lever |
How many types of simple machines are there? | six |
What is the basic unit of power? | watts |
What is the fixed point of a lever? | fulcrum |
What is the rate at which work is done? | power |
Why is no machine 100% efficient? | friction |
What is the force put into a machine? | effort force |
What simple machine raises a flagpole? | pulley |
What type of machine is a doorknob? | wheel and axle |
What type of simple machine holds a door stop? | wedge |
What type of simple machine cuts a steak? | wedge |
What are 3 simple machines in a can opener? | wheel and axle. wedge, and lever |
What type of simple machine is a seesaw? | lever |
What is a device that helps do work? | a machine |