STANDARDPhysics-Work, Energy and Power
STANDARD Physics Work done by a variable force MCQ Question
Type: MCQ-conceptual-Medium-Class 11
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 = 8 m is
A
zero J
B
80 J
C
−40 J
D
40 J
Correct Answer
Option A
Detailed Explanation
The work done is calculated as the area under the F-x graph. The positive and negative areas cancel each other out, resulting in zero work done.
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