2. Solved Papers
  3. Haryana PMT

Haryana PMT Haryana PMT Solved Paper-2002

  • question_answer
    A.10 kg mass moves 3.0 m against a retarding     force shown in fig. If the force is                                 zero at the begining. How much kinetic energy is changed ?

    A)  +6J                                       

    B)  -6J

    C)  12J                                        

    D)  -12J

    Correct Answer: B

    Solution :

                    Loss in K.E. = work done = area of F.s. curve\[=\frac{-1}{2}\times 3\times 4=-6J\]


You need to login to perform this action.
You will be redirected in 3 sec spinner