Ankit, while playing with a toy car, pushes it down an inclined plane. After reaching the end of the inclined plane, the toy car travels some distance on the horizontal surface. He uses four different surfaces as horizontal surface – sandy surface, cotton bedsheet, icy surface and cemented surface. He measures the distance travelled by the car on each surface. On which surface the car will cover the maximum distance before it stops?
a. Icy surface
b. Sandy surface
c. Cotton bedsheet
d. Cemented surface
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Answer:
a) icy surface
Explanation:
the distance would decrease with increase of friction
Ice has the least friction among these so the distance would be maximum on icy surface
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