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Olympiad workbook
Exam
Olympiad workbook
Subject
NSEP
Chapter
Mechanical Properties of Fluids

Olympiad workbook · NSEP · Mechanical Properties of Fluids

Paragraph: A wheel of a car is made up of two parts (1)the central...

Paragraph: A wheel of a car is made up of two parts (1)the central metal rim, and (2)the rubber tyre. The width of the tyre W=16.5 cmW=16.5 \mathrm{~cm} and height h=10.7 cmh=10.7 \mathrm{~cm}. The rim overlaps the tyre. The total weight of the car is 1500 kg distributed evenly. The tyres are inflated with air to a pressure 2.0 kg/cm22.0 \mathrm{~kg} / \mathrm{cm}^2. The density of air at pressure of 1.0 kg/cm21.0 \mathrm{~kg} / \mathrm{cm}^2 and at room temperature equals 1.29 g /litre. The outer diameter of the tyre is 55.4 cm and that of the rim is 40 cm . Ignore the thickness of rubber and use the dimensions given here. Note that the units mentioned above are conventional units used in everyday life.Paragraph: A wheel of a car is made up of two parts (1)the central metal rim, and (2)the rubber tyre. The width of the
Question: Consider the following two statements about a tyre of a car. Statement A: 'The horizontal road surface is exactly tangential to the tyre.' Statement B: 'The tyre is inflated with excess pressure.' Which of the following alternatives is correct?

Options

  1. AStatement A is the result of statement B.
  2. BStatement B cannot be true.
  3. CStatement A cannot be true.
  4. DNeither of the statements A and B is true.

Correct answer

C. Statement A cannot be true.

Step-by-step solution

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