1u'll find such sums in hcv they hav solvd very nicely u may refer it
A body is allowed to slide on a frictionless track from rest position under gravity. The track ends into a circular loop of diameter D. What should be the minimum height of the body in terms of D so that it may complete the loop successfully?
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8 Answers
1any fig
it isnt much clear
but let me guess
is the ans 5/4D !
well one obvious choice can be D itself but without figure i am just guessing[2] !
1
1Yes Philip it's indeed 5D/4...cud pls explain a bit?
Sry for the silly ques....but all the mechanics has been drained out of my brain!
9use fact velocity at topmost point shud be ≥centripetal acc (else normal rxn becomes less than 0 and body is out of contact )
apply energy conservation
1yes indeed that was wat i did in hurry !
@celestine i understood wat u meant but please explain how can
velocity be compared to acceleration [3]