MCQ
Which of the following doesn't represent rotatory motion?
- A
- B
- C
- DBoth A and C
Explanation:
In picture A, the running people are exhibiting translational motion. In picture B, the wheel rotates about a fixed axis and thus it exhibits rotatory motion whereas in picture C, the bob of pendulum oscillates to and fro about its mean position and thus it exhibits oscillatory motion.
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(Velocity of sound in air is $340\,ms ^{-1}$ )