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SIMPLE MACHINES

SIMPLE MACHINES. EQ: How do machines help us do work?. When we have to move a real heavy load, we have to use a great deal of force to push it, because of friction. This requires us to do work , which is the use of force to move an object over a distance of time. SIMPLE MACHINES

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SIMPLE MACHINES

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  1. SIMPLE MACHINES EQ: How do machines help us do work?

  2. When we have to move a real heavy load, we have to use a great deal of force to push it, because of friction. • This requires us to do work, which is the use of force to move an object over a distance of time

  3. SIMPLE MACHINES • A machine with a few or no parts that you apply one force. • Pulley • Lever • Wheel and Axle • Inclined Plane • Screw • Wedge

  4. WORKING SMARTER & NOT HARDER!

  5. Note – Wheel and Axle is the only simple machine that does not change the direction of a force. WORKING SMARTER & NOT HARDER!

  6. REVIEW • What is work? • the use of force to move an object over a distance of time • What is a simple machine? • A machine with a few or no parts that you apply one force. • In order for a wheel and axle to be a simple machine, what is required? • There has to be a wheel, an axle, and they have to turn together. • Most importantly, it makes life easy for who? • OURS

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