A rectangular wooden box `10 cm xx 20cm xx 40 cm` is size is kept on a horizontal surface with its of lergest are on the surface .A minimum force of `10 N` applied are on the surface sets the box in sliding motion along the surface If the surface, minimum force applied parallel to the surface , to set the box in motion , is

Options

A. less than `10 N`
B. May be greater or less than `10 N`
C. greater than `10 N`
D. equal to `10 N`

Answer

d

Explanation

Force of friction is independent of the area of contact