Simply take an eraser, then place a ruler or long thin piece of wood.Then rest a very small item -example-small stone, the slightly push down the clear side of the ruler or wood and thats a lever.
a lever and a wedge make up an ax...............
Lever.
A wedge and lever
A lever.
The lever and the wedge.
Bicycle brakes are usually levers
lever and pulley
a lever and a well with a bucket.
lever
leverwheel and axlewedgescrew
Making a simple sentence is easy.
Oh, what a lovely question! A stroller is like a happy little family of simple machines working together. You have wheels and axles for smooth movement, levers for easy steering, and maybe even some gears for folding it up neatly. Each part plays its own special role, just like how every color on our palette adds to the beauty of a painting.