Question

Examples of simple machines​

Answer 1

Step-by-step explanation:

There are six simple machines: inclined planes, levers, wheel and axles, pullies, wedges, and screws, which are modified incline planes. Each is used to increase the force exerted on an object that requires work to move.

Answer 2

See below

Step-by-step explanation:

Simple machines are used in all aspects of our lives, from the tools we use to build houses to the machines we use to transport goods. They are essential for our modern way of life.

Here are some examples of simple machines with their definitions:

Lever: A lever is a rigid bar that is pivoted around a fulcrum. It is used to amplify force or change the direction of a force.

Examples of levers include:

• Crowbar
• Wheelbarrow
• Scissors
• Seesaw

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Inclined plane: An inclined plane is a flat surface that slopes at an angle. It is used to reduce the amount of force needed to move an object.

Examples of inclined planes include:

• Ramp
• Wedge
• Stairs
• Slide

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Wheel and axle: A wheel and axle is a system of two wheels that are connected by an axle. It is used to amplify force or change the direction of a force.

Examples of wheels and axles include:

• Car
• Bicycle
• Doorknob
• Windmill

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Pulley: A pulley is a wheel with a groove in the rim. It is used to change the direction of a force or to amplify force.

Examples of pulleys include:

• Flagpole
• Elevator
• Window blinds
• Fishing rod

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Screw: A screw is a cylinder with a helical groove that is cut into it. It is used to fasten objects together or to move objects.

Examples of screws include:

• Wood screw
• Metal screw
• Corkscrew
• Bottle cap

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Wedge: A wedge is a triangular-shaped object with a sharp edge. It is used to split objects or to move objects.

Examples of wedges include:

• Axe
• Knife
• Nail
• Zipper