Question

Q2) explain following terms :
b) mechanical energy , kinetic energy and potential energy​

Answer 1

Answer:

Mechanical energy is the energy that is possessed by an object due to its motion or due to its position. Mechanical energy can be either kinetic energy (energy of motion) or potential energy (stored energy of position). ... A moving car possesses mechanical energy due to its motion (kinetic energy).

Explanation:

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Answer 2

Mechanical Energy :-

• It is The Sum Of Kinetic and Potential Energy of An Object . Therefore , It is the Energy obtained by an object due to its motion or by virtue of Its Location .

• Eg :- A bicycle Climbing A Hill Posseses kinetic energy as well as potential Energy.

Kinetic Energy :-

• Energy Possesed By A Body Due to its motion is Called Kinetic energy . It increases with its Speed .

• Formula :- $\bf\color{purple}{\frac{1}{2}mv²}$

Potential Energy :-

• Every Object Posseses Some Energy Called Potential Energy . An Object When Gains Some Energy May Store It in Itself As Potential Energy .

• It is Of Two Types :-

1. Elastic Potential Energy :- The Energy Possesed By A Body By Changing Its Energy .
2. Gravitational Potential Energy :-The Energy That The Object Gains At a Height is Called Gravitational Potential Energy . It is Defined As Amount of Work Done Required In Raising An Object above the ground against the gravity.

• Formula :-$\bf\color{orange}{m \times g \times h }$

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