Friction: A Necessary Evil
I weight
A. Tick [✔] the correct answer.
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
[NCERT)
(a) wet marble floor, dry marble floor, newspaper, towel
(b) newspaper, towel, dry marble floor, wet marble floor
1000
(C) towel, newspaper, dry marble floor, wet marble floor
(d) wet marble floor, dry marble floor, towel, newspaper​