6 simple machines

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by laurenrichards
Last updated 4 years ago

Discipline:
Science
Subject:
Technology

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6 simple machines

Screwa short, slender, sharp-pointed metal pin with a raised helical thread running around it and a slotted head, used to join things together by being rotated so that it pierces wood or other material and is held tightly in place.

6 Simple Machines

Power-the ability to do something or act in a particular way, especially as a faculty or quality.

Work- activity involving mental or physical effort done in order to achieve a purpose or result.

Wedgea piece of wood, metal, or some other material having one thick end and tapering to a thin edge, that is driven between two objects or parts of an object to secure or separate them.

Inclined plane  a plane inclined at an angle to the horizontal.

Wheel and Axlea simple lifting machine consisting of a rope that unwinds from a wheel onto a cylindrical drum or shaft joined to the wheel to provide mechanical advantage

Levera rigid bar resting on a pivot, used to help move a heavy or firmly fixed load with one end when pressure is applied to the other.

Pulleya wheel with a grooved rim around which a cord passes. It acts to change the direction of a force applied to the cord and is chiefly used to raise heavy weights.

The end of a lightbulb has a screw attached.

The hands of a clock move because of gears.

A knife is a wedge with a sharpened tip.

A third class lever can be a fishing pole.

A ramp is used to push up an object or roll it down.

Cranes are large construction machines that are used to lift heavy objects.

We don't always recognize it. But simple machines are very helpful to everything we do. Simple machines are easy to make, use, maintain and fix. Simple machines are less likely to break down. Simple machines often replace a labor-intensive repetitive task.


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