In the Rube Goldberg chain reaction machine (Self-operating Napkin), when a person raises the soup spoon to his mouth, the soup

Question

In the Rube Goldberg chain reaction machine (Self-operating Napkin), when a person raises the
soup spoon to his mouth, the soup spoon pulls the string and makes a jerk on the ladle. Which of
the following statements is true according to the above event?
The potential energy of the ladle changes to kinetic energy.
The kinetic energy of the ladle changes to potential energy.
The potential energy of the soup spoon remains constant.
The kinetic energy exchanges between the ladle and the soup spoon.

Kunduz · Accepted Answer

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