Multiple choice

Which of the following statements is/are true?

  1. Tyres have geometrical pattern to reduce the friction.
  2. The straps of the shoulder bags are made broad to decrease the pressure by increasing the area of contact
  3. Aeroplanes and boats have streamlined shapes to reduce the resistance offered by air and water, respectively.

  1. Only (1)

  2. Only (2)

  3. Only (1) & (3)

  4. Only (2) & (3)
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Statement (1) is wrong. Tyres and soles of shoes have geometrical patterns to increase the friction. Statement (2) is correct. The straps of the shoulder bags are made broad to decrease the pressure by increasing the area of contact. Statement (3) is correct. Aeroplanes and boats have streamlined shapes to reduce the resistance offered by air and water, respectively.

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