1. The switch, is an everyday tool that we use. And, the simple machine that is used is the lever. The fulcrum is in the middle of the switch while the effort is on the side of the switch while the load is...to turn the switch on!
The lever helps us by reducing the amount of effort needed for the job or or it can move the load a longer distance depending on where the fulcrum is.
2. The door stopper is a very effective simple machine that is used to prevent the doors from moving. It is actually an inclined plane that is wedged right between the floor and the door which in turn, will prevent the door from moving!
3. The can opener is a ingenious device that allows you to open up your cans with ease. It has gears inside which turns the blade inside when you turn the handle.
4. there is a type of ceiling fans that need you need to pull some string to change the speed which, uses pulleys!!When you pull the string, you also pull something inside the fan to change the speed!
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