Beginner
A stone of mass m is tied to a string and is moved in a vertical circle of radius r making n revolutions per minute.

Hi, I have a question and I hope anyone could answer it:

A stone of mass m is tied to a string and is moved in a vertical circle of radius r making n revolutions per minute. The total tension in the string when the stone is at its lowest point is 

(a) m{g + (π2n2r)/900}

(b) m(g + π nr2)

(c) m (g + π nr)

(d) m (g + n2 + r2)

Related Questions

You must login to add an answer.

1 Answer