A boy runs his toy car on dry marble fllor, 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, 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

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Solution

(a) Wet marble floor, Dry marble floor, Newspaper, Towel

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Question 3
Alida runs her toy car on a 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

Q. Answer the following questions:

A. Why do we slip on a recently mopped floor?

B. 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 [5 MARKS]

Q. 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

Q. Arrange the level of difficulty of walking on the following surfaces in increasing order.
a) On wooden floor b) On concrete floor
c) On wet marble d) On dry marble

Why is it difficult to walk on a wet marble floor?

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