Home/Tag: doorstop
17 08, 2017

What is a wedge? – Simple machine – Physics

By |2019-04-08T09:55:29-07:00August 17th, 2017|Physics|25 Comments

What is a wedge? This stone hand-ax from Chennai, India is a kind of wedge. A wedge is a kind of inclined plane What is a wedge? Like screws, wedges are really a kind of inclined plane, but they are so useful that people give them their own category among the simple machines. A wedge [...]

16 08, 2017

Examples of wedges – doorstops and knives

By |2018-05-31T11:49:15-07:00August 16th, 2017|Physics|0 Comments

A zipper is a kind of wedge - or a lot of little wedges! For a project about wedges, collect as many different kinds of wedges as you can find around your house and on your block. What are the wedges made of? Try to find some thin, long wedges (like knives or nails) [...]