Compound Machines

A complex machine is:

• the same as a single simple machine

• two simple machine only

• two or more simple machines

• four simple machine

Which of the following is NOT a complex machine?

• bicycle

• ramp

• can opener

• wheel barrow

This complex machine has a pulley.

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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

What simple machine are there in a Ferris Wheel?

• wheel and axle

• pulley

• lever

• inclined plane

What simple machines are used to make up this complex machine? Tick three ( / ) correct answers.

• wheel and axle

• screw

• gear

• pulley