sixteen balls of equal mass are strung like beads on a string, some are placed on a smooth inclined plane of inclinaton sin inverse (1/3) and the rest hang over the top of the plane. how the balls have been arranged if the accelaration at first be g/2 ?
(a) 6 hang vertcally
(b) 8 hang vertically
(c) 10 hang vertically
(d) 12 hang vertically
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1 Answers
Lokesh Verma
·2008-12-23 10:24:13
Hint: let the fraction of mass on the slope is f
Take 2 bodies.. one which is hanging the other which is on the table..
Now take T as the tension between them
Both have common acceleration...