A person pushes a box on a rough horizontal platform surface. He applies a force of 
over a distance of 
. Thereafter, he gets progressively tired and his applied force reduces linearly with distance to 
. The total distance through which the box has been moved is 
. What is the work done by the person during the total movement of the box ?
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
The given situation can be drawn graphically as shown in figure.
Work done 
Area under 
graph
Area of rectangle 
Area of trapezium 
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