Question

Alida runs her toy car on dry marble floor, wet marble floor, newspaper
and towel spread on the floor. The force of friction acting on the car on
different surfaces in increasing order will be
(a)
wet marble floor, dry marble floor, newspaper and towel.
(b)
newspaper, towel, dry marble floor, wet marble floor.
(c)
towel, newspaper, dry marble floor, wet marble floor.
(d) wet marble floor, dry marble floor, towel, newspaper​

Answer 1

Explanation:

Alida runs her toy car on dry marble floor, wet marble floor, newspaper

and towel spread on the floor. The force of friction acting on the car on

different surfaces in increasing order will be

(a)

wet marble floor, dry marble floor, newspaper and towel.

(b)

newspaper, towel, dry marble floor, wet marble floor.

(c)

towel, newspaper, dry marble floor, wet marble floor.

(d) wet marble floor, dry marble floor, towel, newspaper