Question : If a body has 200 kg mass and its velocity gets reduced from 25 m/s to 20 m/s in 4s, then average retarding force on a body will be
(A). -200N
(B). 200N
(C). -250N
(D). 250N
If a body has 200 kg mass and its velocity gets reduced from 25 m/s to 20 m/s in 4s, then average retarding force on a body will be
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