Multiple choice

Consider the following statements;

  1. Oil and grease help to reduce friction.
  2. The substance, which reduces friction, is a lubricant.
  3. Shoes and tyres are formed to reduce friction.

Which of the given statements is/are correct?

  1. Only 1

  2. Only 2

  3. Only 1 and 2

  4. Only 1 and 3
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Statement 1 is correct. Oil and grease help to reduce friction and increase the movability. Statement 2 is also correct. A lubricant is a substance introduced to reduce friction between moving surfaces. Statement 3 is incorrect. Shoes and tyres are formed to increase the friction.

Keep practicing — related questions