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Question

Which of the following is/are simple machines ?


  1. Lever

  2. Pulley

  3. Wedge

  4. Screw


Solution

The correct options are
A

Lever


B

Pulley


C

Wedge


D

Screw


         Simple machines are of six types:

         1.Lever                     2.Pulley

         3.Wedge                   4.Screw

         5.Slope                     6.Wheel and Axle

      

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