A bucket is whirled in a vertical circle with a string attached to it. The water in bucket does
not fall down even when the bucket is inverted at the top of its path. In this position choose most appropriate option if v is the speed at the top.
A
B
mg is greater than 
C
mg is not greater than 
D
mg is not less than 
Text Solution
Verified by ExpertsThe correct answer is:
C
For water does not fall at topmost point of path that means at topmost point N should
be greater than or equal to zero.
for 
and for 
so that mg is not greater than 
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
A mosquito is sitting on an L.P. record of a gramophone disc rotating on a turn table at 33 revolu…
A weightless thread can support tension upto 30 N. A stone of mass 0.5 kg is tied to it and is revo…
A small body of mass m hangs at one end of a string of length a, the other end of which is fixed. I…
A body attached to a string of length describes a vertical circle such that it is just able to cro…
A train A runs from east to west and another train B of the same mass runs from
west to east at the…
instant, then the radius of curvature of the path of the particle at that instant is directly
propo…