when a force retards the motion of the body what is the nature of work done by a force reason list 2 example of such situations
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The nature of work done in case of retarding motion is negative.suppose a force F brings a body moving with velocity V to rest (retards) then work done=change in KE=KEF=KEI
W=0.1/2M S{(U)^(2)}=1/2M
W=0.1/2M S{(U)^(2)}=1/2M
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