A particle of mass 1kg moving along a straight line. Its velocity – time graph as shown in fig. Work done by resultant all forces acting on the particle from t=0, t=8sec
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a
25 J
b
50 J
c
Zero J
d
12.5 J
answer is C.
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Detailed Solution
Given mass of particle m=1 kg According to work-energy theorem. Work done W = change kinetic energy.W=ΔKE=0−0=0