MCQ practice · SSC Physics Board questions · Chapter 2: Motion
What kind of motion does an object hanging from a spring and swinging have?
Think it through first, then pick an option.
- a Periodic motion
- b Rotational motion
- c Translational motion
- d Curved motion
Answer and explanation
Correct answer: a Periodic motion
An object swinging on a spring comes back along the same path after a fixed interval. The book gives it as the linear example of periodic motion.
Why the other options are wrong
- b Rotational motion: In rotation a body turns around an axis. An object on a spring does not turn; it moves up and down.
- c Translational motion: In translational motion all particles move forward the same distance in one direction. In swinging the body keeps reversing direction.
- d Curved motion: Curved motion is not a separate type in the book. An object on a spring moves up and down along a straight line.
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