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Simple Machines
Review
| 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 |