Simple Machines Quiz

What is a simple machine with few moving parts that makes work easier?

• Complex machine

• Simple machine

• Electric machine

• Hydraulic machine

Which simple machine is an inclined plane that moves?

• Lever

• Pulley

• Wedge

• Screw

What type of simple machine is a wheel with a groove in its rim, used to change the direction or multiply a force?

• Lever

• Pulley

• Wedge

• Inclined plane

Which simple machine is described as a slanted surface along which a force moves an object to a different elevation?

• Screw

• Wedge

• Inclined plane

• Pulley

What is an inclined plane wrapped around a cylinder called?

• Lever

• Screw

• Pulley

• Wedge

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What is a wheel and axle?

• A rigid bar that is free to move around a fixed point

• Two different-sized circular objects that are attached together and turn as one

• A flat surface that is inclined at an angle

• A device used to hold objects together

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What is a lever?

• A device used to hold objects together

• A flat surface that is inclined at an angle

• A rigid bar that is free to move around a fixed point

• Two different-sized circular objects that are attached together and turn as one

All are examples of a simple machine EXCEPT

• a lever

• a pulley

• motor

• wheel and axle

The device used to raise a flag up a flag pole is an example of a 

• wheel and axle 
• lever
• inclined plane 
• pulley 

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Machines are devices that allow you to do _______________ in an easier way.

• force
• work

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