Wednesday, 2 August 2023

Mock Test - 3 Class - VI

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                                                   Class  - VI
                                                      Physics
Time-20 min                                                                             FM.-10
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1) Choose the correct option.                                               [1*4=4]
a) The SI unit of mechanical advantage is _____
    i) N        ii)  kg     iii) none  iv) m
b) The MA of class - 2  lever is _____
    i) <1       ii) > 1     iii) = 1     iv
c) Axe is an example of ______simple machine
     i) Lever    ii) Wedge   iii) Screw  iv) Pulley
d) Mechanical Advantage of a simple machine is __
     i) L/E       ii) E/L        iii) L+E     iv)  L*E
2) In a third-class lever the distance between the fulcrum and effort
 is 12m, and the distance between effort and load is 8m.      [1*4=4]
  i) Draw the lever.
  ii) Find the load arm.
  iii) Find the mechanical advantage
  iv) Give one example of a class three lever.
3) How many types of simple machines?
      Name them with an example.                                               [2]

 
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