Question

a child runs her toy car on a piece of cardboard,a wet marble floor, a dry marble floor and a carpet the different surfaces according to force of friction acting on the car in increasing order are: (a)piece of cardboard,carpet,wet marble floor,dry marble floor

(b)carpet,piece of cardboard,dry marble floor,wet marble floor

(c)wet marble floor,dry marble floor piece of cardboard,carpet

(d)carpet,wet marble floor,piece of cardboard,dry marble floor​

Answer 1

carpet, wet marble floor, piece of cardboard, dry marble floor