Similarity between potential and kinetic energy
Answers
Potential energy is energy stored in an object due to its position or arrangement. Kinetic energy is energy of an object due to its movement - its motion. All types of energy can be transformed into other types of energy.
The kinetic energy K is inversely proportional to the height of the object. ... This shows that the kinetic energy of the object decreases and this is compensated by an increase in the gravitational potential energy.
The law of conservation of energy states that energy cannot be destroyed but can only be transformed from one form into another. Take a classic example of a simple pendulum. As the pendulum swings the suspended body moves higher and due to its position potential energy increases and reaches a maximum at the top. As the pendulum begins its downward swing, the stored potential energy is converted into kinetic energy.
Applications
The roller coaster in an amusement park begins with the conversion of kinetic energy into gravitational potential energy.
The gravitational potential energy keeps planets in orbit around the sun.
Projectiles are thrown by a trebuchet making use of gravitational potential energy.
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