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Work Energy and Power question

2005 · Q160
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Work Energy and Power question

2005 · Q160

NEETPhysicsWork Energy and PowerMCQ+4 / −1
A force F acting

AIPMT 2005 Physics - Work, Energy and Power Question 24 English
on an object varies with distance x as shown here. The force is in N and x in m. The work done by the force in moving the object from x = 0 to x = 6 m is
  1. A
    18.0 J
  2. B
    13.5 J
  3. C
    9.0 J
  4. D
    4.5 J
View written solutionFree

Correct answer: B

AIPMT 2005 Physics - Work, Energy and Power Question 24 English Explanation

Work done = area under F-x graph

= area of trapezium OABC

= 12(3+6)(3)=13.5 J{1 \over 2}\left( {3 + 6} \right)\left( 3 \right) = 13.5\,J21​(3+6)(3)=13.5J

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