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CGP EDU Academic Team
Published on: September 12, 2026
A particle is acted upon by a force F which varies with position x as shown in figure. If the particle at x = 0 has kinetic energy of J, then the kinetic energy of the particle at x = 16 m is:
Text Solution
Verified by ExpertsThe correct answer is:
A
:
Work done W = Area under f-x graph with proper sign
W = Area of triangle ABC + Area of rectangle CDEF+
Area of rectangle FGHI + Area of rectangle IJKL
= 30 – 20 +20 -10
= 20J ……(i)
According to work energy theorem
Or 
=25 J + 20 J
= 45 J
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