RAJASTHAN ­ PET Rajasthan PET Solved Paper-2007

  • question_answer
    In which of the following, force is constant?

    A)  Uniform circular motion

    B)  Elliptical motion

    C)  Uniform linear motion

    D)  Projectile motion

    Correct Answer: C

    Solution :

     When body is moving uniformly along a straight line and there is no force of friction, acceleration/retardation of the body \[a=0\] \[F=ma=0\] ie, no external force is required.


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