How Things Work

This water bottle cap uses a type of screw to create a tight seal, so the fluid will not escape when the cap is on; also, the ro...

Used To Open The Door And Keep It Closed My House by Madison Lawyer

September 11, 2013 6:30PM Moore Hill Residence Hall West Mitchell

September 13, 2013: 2:03 AM  By: Phillip Vuong The metal rods that run horizontally across the table work as rotating levers (wheel an...

The entire wrench acts as a lever to convert the distance your hand moves into force to twist the bolt. The head of the wrench is adjust...

Pant Hanger (screw, lever) The clippers used for hanging your pants are an example of levers.(The effort you put in on one side is m...

This pulley winch is part of a pulley system and utilizes a wheel for the rope to wind onto, a wedge to keep the wheel in place and stop i...

This is the back wheel of a bicycle. Here the have the wheel itself but also other components that make the bicycle function like the ...

This lawnmower has a few simple machines combined together. Obviously, it implements wheels, and there are screws holding the handle toget...

These faucets, at the Jester West 12th floor laundry room, use a screw to raise and lower a wedge that blocks or allows the water to flow. J...

This can opener opens our cans of soup. Blanton Dormitory 4th Floor by Sam Roach

This fire hydrant utilizes an interior screw design to hold in pressurized water. Also, the wheel-shaped grips used for releasing the wate...

The Can Opener uses a gear system that can be moved with a screw on the back of the can opener. As you squeeze down the handles of the c...

A picture of the locking setup for the cabinet in my dorm. Wedges are found behind the door and within the hook of the combination lock. ...

These shears are used to trim overhanging leaves and stuff. Taken in my house in Sugar Land, TX.  at 11:27 AM on Sept. 8th By Harsha Ra...

A small food trailer, found at the intersection of Speedway and E. Dean Keeton Street, was held up by a jack with a screw head.