Simple Machine

Subject: Science

Overview

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Things to remember
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    A simple machine is a device, which makes our work easier by

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    1. increasing the force applied
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    2. changing the direction of force applied
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    3. transferring the force from one place to another
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    4. increasing the speed of a force
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    Types of simple machines are:

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    1. Lever
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    2. Pulley
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    3. Wheel and axle
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    4. Inclined plane
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    5. screw
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    6. Wedge
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    The principal of machine is Input work = Output work

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