36. Two masses, each equal to m, are attached to one another by a massless string passing over a smooth pulley the tension in the string is

1. 1. mg

   
   
   

   2. 2 mg

   
   
   

   3. mg / 2

   
   
   

   4. zero

   
   
   

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   N/A

   Correct Option: A

   N/A

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37. A car accelerates from rest with acceleration 1.2 m/s². A bus moves with constant speed of 12 m/s in a parallel lane. How long does the car take from its start to meet the bus.

1. 1. 17 s

   
   
   

   2. 8 s

   
   
   

   3. 20 s

   
   
   

   4. 12 s

   
   
   

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   N/A

   Correct Option: C

   N/A

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38. Five equal forces of 10 N each are applied at one point and all are lying in one plane. If angles between them are equal, the resultant of these forces will be.

1. 1. Zero

   
   
   

   2. 10 N

   
   
   

   3. 20 N

   
   
   

   4. 102 N

   
   
   

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   N/A

   Correct Option: A

   N/A

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39. Which of the following is a scalar quantity?

1. 1. Electric current

   
   
   

   2. Electric field

   
   
   

   3. Acceleration

   
   
   

   4. Linear momentum

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: A

   N/A

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40. Fat can be separated from milk in a cream separator because of

1. 1. Cohesive force

   
   
   

   2. Gravitational force

   
   
   

   3. Centripetal force

   
   
   

   4. Centrifugal force

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: D

   N/A

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