Question

A force F acting on an object varies with distance x as shown in the figure. The work done by the force in moving the object from x = 0 to x = 20 m is:

• A. 500 J
• B. 1000 J
• C. 1500 J
• D. 2000 J

Answer 1

Answer: (C)

1500 J

Answer 2

Work done = Area under F –x graph

W= Area of rectangle ABCD + Area of $\Delta$CDE