Question

quiz energy change and conservation
johanna took her little brother to the playground because he likes to swing. look at the diagram that shows johanna pushing her brother on the swing. which statement is true about the transformation between kinetic and potential energy while the boy swings?
a. kinetic energy changes to potential energy between points a and b
b. potential energy changes to kinetic energy between points a and b
c. potential energy changes to kinetic energy between points b and c

Explanation:

Kinetic energy is the energy of motion and potential energy is related to height. As the boy moves from a higher - position (point A) to a lower - position (point B), he speeds up. His height decreases and his velocity increases. So, potential energy (due to height) changes to kinetic energy (due to motion) between points A and B.

Answer:

B. Potential energy changes to kinetic energy between points A and B