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AIIMS 2009
Exam
AIIMS
Year
2009
Subject
Physics
Chapter
Work, Power and Energy

AIIMS 2009 · Physics · Work, Power and Energy

A force F acting on an object varies with distance x as shown in...

A force FF acting on an object varies with distance xx as shown in the figure. The force is in N\mathrm{N} and xx in m\mathrm{m}. The work done by the force in moving the object from x=0x=0 to x=6 mx=6 \mathrm{~m} is A force F acting on an object varies with distance x as shown in the figure. The force is in N and x in m . The work

Options

  1. A13.5 J13.5 \mathrm{~J}
  2. B10 J10 \mathrm{~J}
  3. C15 J15 \mathrm{~J}
  4. D20 J20 \mathrm{~J}

Correct answer

A. 13.5 J13.5 \mathrm{~J}

Step-by-step solution

Work done by force = Area under force- displacement graph. =3×3+12×3×3=9+4.5=13.5 J=3 \times 3+\frac{1}{2} \times 3 \times 3=9+4.5=13.5 \mathrm{~J}
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