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Wedge. A wedge is a triangular shaped tool, a portable inclined plane, and one of the six simple machines. It can be used to separate two objects or portions of an object, lift up an object, or hold an object in place. It functions by converting a force applied to its blunt end into forces perpendicular (normal) to its inclined surfaces.
A simple machine is a mechanical device that changes the direction or magnitude of a force. [1] In general, they can be defined as the simplest mechanisms that use mechanical advantage (also called leverage) to multiply force. [2] Usually the term refers to the six classical simple machines that were defined by Renaissance scientists: [3][4][5 ...
An ice wedge is a crack in the ground formed by a narrow or thin piece of ice that measures up to 3–4 meters in length at ground level and extends downwards into the ground up to several meters. During the winter months, the water in the ground freezes and expands. Once temperatures reach −17 degrees Celsius or lower, [citation needed] the ...
At-home science experiments for kids are easy when you can use items you already have on hand. Get ready for plenty of oohs, ahhs and ahas! The post 9 Easy Home Science Experiments for Kids ...
A Rubik's Snake (also Rubik's Twist, Rubik's Transformable Snake, Rubik’s Snake Puzzle) is a toy with 24 wedges [1] that are right isosceles triangular prisms. The wedges are connected by spring bolts, [1] so that they can be twisted, but not separated. By being twisted, the Rubik's Snake can be made to resemble a wide variety of objects ...
These science kits make experiments easy, safe, and fun. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290-4726 more ways to reach us ...
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