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COMPLEX MACHINES

COMPLEX MACHINES. COMPLEX MACHINES.

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COMPLEX MACHINES

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  1. COMPLEX MACHINES

  2. COMPLEX MACHINES • A complex machine is any machine made up of two or added simple machines. A simple machine is an elementary machine for making work easier. They modify or transmit force or motion. In a simple machine there is the wheel and the axle, the wedge and the jackscrew. • CHAIN • BACK WHEEL • BRAKE LEVERS • HANDLEBAR • PEDALS

  3. SIMPLE AND COMPLEX MACHINES • Simple machines, likeramps and levers, are simple. Theyhave´tgotmanyparts. Complex machines, likeclock, are complex. Theyhavegotlots of parts.

  4. EXAMPLES OF SIMPLE MACHINES

  5. EXAMPLES OF COMPLEX MACHINES

  6. MECHANISM • A mechanismis a combination of movingpartsthatperform a specificaction.

  7. THE GEARS • Thegears are metal wheelswithspecialtheeththatfittogether.

  8. TYPES OF GEARS • Gearshavegotmanytypes of gears, I putsomething. • Rack and pinion • Worm • Spiralbevels • Sun and planet • Harmonic drive • Epicyclic

  9. NOW, YOU ARE GOING TO SEE A ONE EXAMPLE OF COMPLEX MACHINES (BICYCLE) AND THEIR PARTS.

  10. THE CHAIR • A chair of a bicycle is a support that helps you to pedal better and not get tired so fast.

  11. THE BRAKE LEVERS • Thebrakelevers are connectedto cables. These cables transmitthemovement of theleverstothebrakesonthewheels.

  12. THE HANDLEBAR • Thehandlebaris a leverthatchangesthedirection of thefrontwheel.

  13. THE PEDALS • Thepedals are leversthatturn a specialwheelwithgears, called a crank.

  14. VIDEOS • SIMPLE AND COMPLEX MACHINES.

  15. GAMES • COMPOUND MACHINES. • SIMPLE MACHINES.

  16. QUESTIONS AND ANSWERS • Whatiscomplex machines? • A complex machines is a any machines made up of twooradded simple machines. • Whatis a mechanism? • A mechanismis a combination of movingpartsthatperform a specificaction. • Whatis break levers? • Thebrakelevers are connectedto cables. • Whatispedals? • Thepedals are leversthatturn a specialwheelwithgears, called a crank.

  17. THE END • I HOPE YOU LIKED IT, OSCAR AND COMPANY. • BY MANUELA LOPEZ SANCHEZ. • PIO BAROJA.

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