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NAVEEN
Questions (2)
When metro stops at same time we felt a jerk in backward direction but according to inertia we should be feel in farward
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WHAT IS PREPOSITION?
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Answers (1)
you are talking about a positive acceleration but i have seen or observe that once wheel stop...wheel stay at their position w.r.t. rail.........when wheel is not moving so there is no possibilities of positive acceleration just give a reason.
