1.

The velocity-time graph of a ball moving on the surface of a floor is given below. Calculate the force acting on the ball, if the mass of the ball is\[200\,\,g\].

A. \[1\,\,N\]                         
B.        \[2\,\,N\]
C. \[5\,\,N\]                       
D.        \[8\,\,N\]
Answer» B.        \[2\,\,N\]


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