A student placed one hundred dominoes upright in a row. He knocked over the first domino and the rest all fell over; one after another. What made the domino at the end of the row move?

Question

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a
Kinetic Energy
b
Thermal Energy
c
Chemical Energy
d
Potential Energy

Answer 1

d) Potential Energy. Each domino has potential energy due to its upright position, and when the first one is knocked over, it releases that potential energy and transfers it to the next domino, causing a chain reaction that continues until the last domino falls over.