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Question

An object of mass 2 kg is sliding with a constant velocity of 4 ms1 on a frictionless horizontal table. The force required to keep the object moving with the same velocity is


  1. 32 N

  2. 0 N

  3. 2 N

  4. 8 N


Solution

The correct option is B

0 N


Ideally, a frictionless horizontal table offers no resistance to motion. So the object will continue to slide at  4 ms1 without any application of an external force. 

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