126. The minimum number of non-zero non-collinear vectors required to produce a zero vector is

1. 1. 3

   
   
   

   2. 2

   
   
   

   3. 4

   
   
   

   4. 1

   
   
   

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   N/A

   Correct Option: A

   N/A

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127. For a body moving with constant speed in a horizontal circle, which of the following remains constant?

1. 1. Velocity

   
   
   

   2. Acceleration

   
   
   

   3. Centripetal force

   
   
   

   4. KE

   
   
   

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   N/A

   Correct Option: D

   N/A

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128. Which of following is not a vector quantity?

1. 1. Speed

   
   
   

   2. Velocity

   
   
   

   3. Torque

   
   
   

   4. Displacement

   
   
   

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   N/A

   Correct Option: A

   N/A

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129. Which of the following is vector quantity?

1. 1. Momentum

   
   
   

   2. Pressure

   
   
   

   3. Energy

   
   
   

   4. Work

   
   
   

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   N/A

   Correct Option: A

   N/A

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130. The SI unit of angular momentum is

1. 1. kgm²s^-1

   
   
   

   2. kgm²s^-2

   
   
   

   3. kgms^-2

   
   
   

   4. kgms^-1

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: A

   N/A

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