AIPMT PRELIMS2011Physics-Work, Energy and Power
AIPMT PRELIMS 2011 Physics Work done by a variable force MCQ Question
Type: MCQ-numerical-Medium-Class 11
A force F acting on a particle moving in a straight line varies with distance d as shown in the figure. The work done on the particle during its displacement of 12 m is
A
13 J
B
18 J
C
21 J
D
26 J
Correct Answer
Option A
Detailed Explanation
The work done is the area under the force-distance graph. The area consists of a rectangle and a triangle, giving a total area of 8 + 5 = 13 J.
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