156. A geostationary satellite should be launched such that it moves from

1. 1. North to south in the polar plane

   
   
   

   2. South to north in the polar plane

   
   
   

   3. East to west in the equatorial plane

   
   
   

   4. West to east in the equatorial plane

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: D

   N/A

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157. Consider vehicle moving in sharp circular path at high speed will
     1. Overturn about its outer wheels
     2. Overturn about its inner wheels
     3. Skid outwards
     4. Skid inwards
     Which of these statements are correct?

1. 1. 1 and 3

   
   
   

   2. 2 and 4

   
   
   

   3. 2 and 3

   
   
   

   4. 1 and 4

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: A

   N/A

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158. If a gymnast, standing on a rotating stool with his arms ant stretched, suddenly lowers his arms

1. 1. His angular velocity decreases

   
   
   

   2. His angular velocity remains constant

   
   
   

   3. His moment of inertia decreases

   
   
   

   4. His moment of inertia increases

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: B

   N/A

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159. The pressure in a liquid at a given depth below the surface

1. 1. Is always exerted downward

   
   
   

   2. Is the same in all directions

   
   
   

   3. Equals the total weight of liquid above the depth

   
   
   

   4. Depends upon the amount of liquid below the depth

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: B

   N/A

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160. Roadways are banked on curves so that

1. 1. The speeding vehicles may not fall inwards

   
   
   

   2. The frictional force between the road and vehicle may be decreased

   
   
   

   3. The wear and tear of tyre may be avoided

   
   
   

   4. The weight of the vehicle may be decreased

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: C

   N/A

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