Type of Energy - JSS2 Basic science Past Questions and Answers - page 2
How does the kinetic energy assumption impact our understanding of motion?
The kinetic energy assumption, stating that all moving objects possess energy due to their motion, forms the basis of classical mechanics. It helps us analyze and predict the behavior of moving objects in various scenarios, such as collisions or the operation of mechanical systems.
Can you give an example of how kinetic energy changes in everyday life?
When a car accelerates, its velocity increases, leading to an increase in its kinetic energy. Similarly, when a person throws a ball harder, the ball's velocity increases, resulting in higher kinetic energy.
How does kinetic energy relate to potential energy?
Kinetic energy and potential energy are two forms of mechanical energy. Kinetic energy is the energy of motion, while potential energy is stored energy due to an object's position or state, like gravitational potential energy. They can often interconvert, such as when an object falls, converting potential energy into kinetic energy, or when a moving object rises, converting kinetic energy into potential energy.