Physics

Problem

A block of mass

m

is placed on a surface having vertical crosssection given by

y = x^2/4

. If coefficient of friction is 0.5, the maximum height above the ground at which block can be placed without slipping is: (a)

1/4 m

(b)

1/2 m

(c)

1/6 m

(d)

1/3 m