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How Simple Machines Enhance Work Efficiency: Understanding Their Applications

In this chapter, we explore how simple machines, including levers, pulleys, screws, inclined planes, and wedges, help people perform work more efficiently. A simple machine requires minimal force to move an object over a distance, often featuring few or no moving parts. We delve into the mechanics of different types of simple machines, such as how a lever pivots on a fulcrum, how pulleys and wheel-and-axles work together, and the role of inclined planes and wedges in lifting and holding loads. Discover the vital functions of these machines in everyday tasks.

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How Simple Machines Enhance Work Efficiency: Understanding Their Applications

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Presentation Transcript

  1. Simple Machines Chapter 6

  2. How Do Simple Machines Help People Do Work? Vocabulary: Lesson 1

  3. work simple machine the use of force to move an object over a distance a machine with few or no moving parts that you apply just one force to

  4. lever– a simple machine made of a bar that pivots on a fixed point fulcrum- the fixed point on a lever

  5. How Do a Pulley and a Wheel-and-Axle Help People Do Work? Vocabulary: Lesson 2

  6. pulley wheel-and-axle a simple machine made of a wheel with a line around it a simple machine made of a wheel and an axle that turn together

  7. How Do Other Simple Machines Help People Do Work? Vocabulary: Lesson 3

  8. inclined plane a simple machine that is a slanted surface

  9. screw wedge a simple machine made of a post with an inclined plane wrapped around it a simple machine made of two inclined planes placed back-to-back

  10. 6 Simple Machines lever * pulley * screw * fulcrum * inclined plane * wedge

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