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An illustration of a rope held by a person and on the other end attached to a tree. The person is shaking it up and down creating a transverse mechanical wave in the rope.
A girl attaches the end of her jump rope to the trunk of a tree. What evidence exists that the rope is a transverse wave?

The transfer of energy is parallel to wave motion.
The transfer of energy is perpendicular to wave motion.
The wave requires a medium to transfer through.
The wave does not require a medium to transfer through.

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Answered by GPT-5 mini AI
Answer: The transfer of energy is perpendicular to the wave motion.

Explanation: When she shakes the rope up and down the disturbance (particle motion) is perpendicular to the direction the pulse travels along the rope, so the wave is transverse. (It is also a mechanical wave that requires a medium, but that fact alone doesn’t identify it as transverse.)