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Simple Machines

Test Description: This is a review of simple machines and complex machines.

Instructions: Answer all questions to get your test result.

1) Define a simple machine.

AOne of seven basic types of machines of which all other machines are composed. BOne of two basic types of machines of which all other machines are composed. COne of the six basic types of machines of which all other machines are composed. DOne of three basic types of machines of which all other machines are composed.

2) What are the familys of simple machines?

AThe Lever Family and the Wedge Family BScrew Family and Inclined Plane Family CThe Lever Family and the Inclined PLane Family DThe Lever Family and the Pulley Family

3) Name the three simple machines in the lever family.

ALever, Pulley, Screw BLever, Wedge, Wheel and axle CLever, Wedge, Screw DLever, Pulley, Wheel and Axle

4) How many classes of Levers are there?

ATwo BThree CFive DFour

5) A compound Machine is _________.

Aa machine made of only one simple machine Ba machine made of more than one simple machine Cone of the six bacic types of machines of which all other machines are composed. Da simple machine

6) Which has a greater mechanical advantage?

A4 pulleys B3 pulleys C2 pulleys D1 pulley

7) __________ is a inclined plane wrapped around a cylinder.

Aa wedge Ba screw C inclined plane Da pulley

8) Which of the following is compound machine has 2 levers?

Aan axe Bscissors Cscrew and screw driver Da single pulley

9) What are the three simple machines in the inclined plane family?

Ainclined plane, wedge and wheel and axle Binclined plane, pulley, and screw Cinclined plane, pulley, and wedge Dinclined plane, wedge and screw

10) Work done by a simple machine is measured in what units?

AJoules BNetwons CEnergy DWatts

*select an answer for all questions

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