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Simple Machines
Question | Answer |
---|---|
What is a Simple Machine? | A simple device for changing the amount and/or direction of force to move an object |
What is a Lever? | A Simple Machine made of a bar that pivots in a fixed support, or Fulcrum |
What are the Classes of Levers? | A Fulcrum placed between the effort and the load, load between the effort and the fulcrum, and the effort in between the load and the fulcrum |
What is a Wheel and an Axel? | A wheel attached to an axel a force is transferred from one to another |
What is a Pulley? | A pulled rope over a wheel that changes the direction of force |
What is an Inclined Plane? | A flat surface raised at an angleused for lifting a heavy load instead of straight up |
What is a Wedge? | Made up of two Inclined Planes together used to push objects apart or cut |
What is a Screw? | An Inclined Plane wrapped around a cylinder less distance between threads the easier the work |
What is a knife an example of? | A Wedge |