Q.

The figure represents the momentum--time (p-t) curve for a particle moving along an axis under the influence of a force. Identify the regions on the graph where the magnitude of the force is maximum and minimum respectively, if (t3-t2)<t1.                   [2023]

1 c and a  
2 b and c  
3 c and b  
4 a and b  

Ans.

(3)

|dpdt|=|F| dpdt=slope of curve

Maximum slope: (c)

Minimum slope: (b)