Mock Test 7 Class 6

                                                    Class -V

                                                     Physics

Time-20 min                                                                                          FM - 10                           ---------------------------------------------------------------------------------------------

1. What is mechanical advantage? Write the S.I. unit of mechanical advantage. [2]

2. Define load arm. Write the C.G.S. unit of the load arm. [2]

3. On which basis levers are divided?  [2]

4. Calculate the work done in (a) if a force of 250 N pushes through 3.5 m and (b) if an effort of 50 N raises a sack of rice through a height of 30m.  [2+2]

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