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Solution for 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 - CBSE Class 8 - Science

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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

Solution

wet marble floor, dry marble floor, newspaper and towel

Force of friction depends on the nature of surfaces in contact. The rougher the surface, the more is the friction between the surfaces in contact and vice-versa. Roughness present in the given surfaces can be arranged in an ascending order as wet marble floor, dry marble floor, newspaper and towel. Hence, the correct sequence of these surfaces when arranged according to the increase in the force of friction acting on the car is—wet marble floor, dry marble floor, newspaper and towel.

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APPEARS IN

 NCERT Science Textbook For Class 8 (with solutions)
Chapter 12: Friction
Q: 3 | Page no. 155
Solution for 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 concept: Increasing and Reducing Friction. For the course CBSE
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