curtains, you can move them back and forth.windows, you can open and close them. lastly a sliding door.Do you know something in commend for all of them? They are all pulley's!
the formulas for simple machines help find the ama, ima, and the efficency
All you have to do is fine a simple task to do and find simple machines and connect them together to make it. All you have to do is fine a simple task to do and find simple machines and connect them together to make it.
you can measure
Screw, wheel and axel, lever
Some examples of first-class levers you might find in your house are a seesaw, a pair of scissors, or a crowbar. These simple machines consist of a pivot point, a load, and an effort force applied to move the load.
I dont know find out stupid
Wheel an axel
you can find simple machines everywhere,theirs a door knob,stairs,can opener,the faucet,clock,hammer,knife,light bulb and a spray bottle there's a lot more but i cant name them all;)
if you check your local yellow pages or go on to craigslist.com you should be able to find one one Who can install fountain drink machines in a house
Wheel and axle
gears and wheel and axle
they can help you like a pencil helps you write