Question

State any three functions of simple machine.​

Answer 1

Answer:

Various functions that a machine can perform are:

Changing the direction of applied force — Example: When a flag is hoisted with the help of a pulley.

Changing the magnitude of applied force — Example: Bottle opener multiplies the applied force and much less effort is required to open the cap.

Explanation:

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Answer 2

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Simple machines are useful because they reduce effort or extend the ability of people to perform tasks beyond their normal capabilities. Simple machines that are widely used include the wheel and axle, pulley, inclined plane, screw, wedge and lever.Various functions that a machine can perform are:

• Changing the direction of applied force —
• Example: When a flag is hoisted with the help of a pulley.
• Changing the magnitude of applied force.
• Example: Bottle opener multiplies the applied force and much less effort is required to open the cap.

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