COMPLEX MACHINES

What do you call a machine made up of two or more simple machines?

• complicated machine

• complex machine

• constructed machine

Which statement correctly explains a complex machine?

• A complex machine is made up of one or more simple machines

• A complex machine is a tool that consists of a combination of more than one simple machine

Which of the following tools has wedge, wheel and axle?

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Which of these tools has gear?

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This complex machine has a pulley.

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Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-4

NGSS.MS-PS2-1

Which of the following simple machines can be found in this complex machine?

• Screw and wedge

• pulley and wedge

• Screw and inclined plane

A wheelbarrow is an example of a complex machine. Which simple machine is NOT found in this object?

• lever

• wedge

• wheel and axle

A fishing pole is an example of a complex machine. What simple machines are used to make up this complex machine?

• lever, wheel and axle, pulley

• wheel and axle, inclined plane, pulley

• wheel and axle, pulley, inclined plane

Which one of these is not complex machine?

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A complex machine is:

• the same as a single simple machine

• two simple machine only

• two or more simple machines

• four simple machine