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Chapter 6 Simple Machines. How Do Simple Machines Help People Do Work? Vocabulary: Lesson 1.

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Presentation on theme: "Chapter 6 Simple Machines. How Do Simple Machines Help People Do Work? Vocabulary: Lesson 1."— Presentation transcript:

1 Chapter 6 Simple Machines

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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