Question
Download Solution PDFThe sum of potential energy and kinetic energy is known as:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is Mechanical energy
Key Points
- Kinetic Energy (KE) is the energy possessed by a body due to its motion.
- It is given by the formula
where 'm' is the mass of the body, and 'v' is the velocity of the body at any given time.
- It is given by the formula
- Examples of Kinetic energy include:
- A fast-moving cricket ball hits the stationary wicket and the wicket uproots from its position.
- Potential Energy (PE) is the energy possessed by a body due to its change in position or shape.
- The sum of Potential energy and Kinetic energy is known as Mechanical energy. Hence option 2 is correct.
- Examples of Potential energy include:
- A stone lying on the roof of a building has potential energy due to its height.
Additional Information
- Electrical energy is the energy required to maintain the flow of charged particles in opposition to the resistance in an electric conductor or an appliance.
- Chemical energy is the energy that is absorbed or released during a chemical reaction.
- Light energy is Electromagnetic radiation with wavelengths between 380 and 750 nm which is visible to the human eye.
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