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

Olympiad workbook · NSEP · Mechanical Properties of Solids

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: If five persons occupy the seats, the centre of the wheel is lowered by about

Options

  1. A1 mm
  2. B2 mm
  3. C3 mm
  4. D4 mm

Correct answer

C. 3 mm

Step-by-step solution

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