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A pulse travels from one end of a heavy rope to the other. What happens to the rope itself?
AIt travels along with the pulse
BIt is destroyed by the pulse
CIt becomes the pulse itself
DIt does not travel with the pulse
Answer & Solution
Correct answer: D. It does not travel with the pulse
1. The rope is the medium, the substance in which the pulse moves.
2. Each part of the medium is moved out of its rest position for a moment and then returns.
3. The medium does not travel with the pulse as the pulse moves through it.
4. Thinking the rope moves along is the usual trap: only the disturbance moves along the rope.
_Source: Siyavula Physical Sciences Grade 10 (Everything Science, CC BY 4.0), Chapter 7: Transverse pulses_
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