A child drops a ball.Which of the following statements is true?The store of KE is staying the same.The store of KE is decreasing.The store of KE is increasing.I DON'T KNOWSUBMIT ANSWERLearning MaterialChoose your materialCENTURY ExplainsSlideshowInternal Energy StoresElectric-Magnetic Energy StoresGravitational Potential Energy & Kinetic Energy StoresElastic Potential Energy & Vibrational Energy StoresNuclear Energy StoreThe Law of Conservation of EnergyFalling BookRunning HorseHeating FoodFiring an ArrowSummaryQuestionQuestionQuestionQuestionQuestionQuestionQuestionQuestionQuestionQuestionSummary
Question
A child drops a ball.Which of the following statements is true?The store of KE is staying the same.The store of KE is decreasing.The store of KE is increasing.I DON'T KNOWSUBMIT ANSWERLearning MaterialChoose your materialCENTURY ExplainsSlideshowInternal Energy StoresElectric-Magnetic Energy StoresGravitational Potential Energy & Kinetic Energy StoresElastic Potential Energy & Vibrational Energy StoresNuclear Energy StoreThe Law of Conservation of EnergyFalling BookRunning HorseHeating FoodFiring an ArrowSummaryQuestionQuestionQuestionQuestionQuestionQuestionQuestionQuestionQuestionQuestionSummary
Solution
The correct statement is: "The store of KE is increasing."
Here's why:
When a child drops a ball, it starts from rest and begins to move downwards due to the force of gravity. As it falls, it gains speed. Kinetic Energy (KE) is the energy of motion, so as the ball's speed increases, so does its kinetic energy.
Therefore, the store of kinetic energy is increasing as the ball falls.
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