Physics-
General
Easy

Question

A force–time graph for a linear motion is shown in figure where the segments are circular. The linear momentum gained between zero and  is

  1. negative 2 pi space n e w t o n cross times s e c o n d
  2. Z e r o space n e w t o n cross times s e c o n d
  3. plus 4 pi space n e w t o n cross times s e c o n d
  4. negative 6 pi space n e w t o n cross times s e c o n d

The correct answer is: Z e r o space n e w t o n cross times s e c o n d


    As the area above the time axis is numerically equal to area below the time axis therefore net momentum gained by body will be zero because momentum is a vector quantity

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