At what minimum acceleration should a monkey slide a rope whose breaking strength is `(2)/(3)`rd of its weight?

Options

A. `(2 g)/(3)`
B. g
C. `(g)/(3)`
D. zero

Answer

C

Explanation

`a = (m g - T)/(m) = g - (T)/(m)`
`a_(min) = g - (T_(max))/(m)`
`= g - ((2)/(3) m g)/(m) = (g)/(3)`