science
Grade-11
Easy

Question

Inertia is that property of a body by virtue of which

  1.  A body tends to move all the time
  2. A body remains at rest always
  3. A body tends to remain in the state of rest or motion until an unbalanced force is applied to it. 
  4. none

The correct answer is: A body tends to remain in the state of rest or motion until an unbalanced force is applied to it.

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