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In a large commercial complex there are four ways to reach the main road. One of the path has loose soil, the second is laid with polished marble, the third is laid with bricks - Science

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Question

In a large commercial complex there are four ways to reach the main road. One of the path has loose soil, the second is laid with polished marble, the third is laid with bricks and the fourth has gravel surface. It is raining heavily and Paheli wishes to reach the main road. The path on which she is least likely to slip is ______.

Options

  • loose soil

  • polished marble

  • bricks

  • gravel

MCQ
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Solution

In a large commercial complex there are four ways to reach the main road. One of the path has loose soil, the second is laid with polished marble, the third is laid with bricks and the fourth has gravel surface. It is raining heavily and Paheli wishes to reach the main road. The path on which she is least likely to slip is gravel.

Explanation:

She should use gravel surface path because only in this path. She will have sufficient friction force to walk easily.

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Effects of Friction
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Chapter 12: Friction - Multiple Choice Questions [Page 69]

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NCERT Exemplar Science [English] Class 8
Chapter 12 Friction
Multiple Choice Questions | Q 8. | Page 69
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