Chapter 6, Problem 2RQ

Interpretation Introduction

Interpretation:

The relation between energy, kinetic energy, and potential energy is to be determined.

Concept Introduction:

Energy is not a mortal entity in its forms. In a chemical reaction, the energy changes from one form to another but it is not annihilated completely.

The energy stored in the compounds is utilized to break the bonds and form new bonds to give products and byproducts in the form of heat, light, etc.

The kinetic energy of an object is due to its motion in the favor of or against the forces of attraction or repulsion. Mathematically, kinetic energy is $\text{K}\text{.E = }\frac{1}{2}m{v}^2$. Here, $m$ is the mass of the object and $v$ is the velocity of the object.

The potential energy is gained by virtue of attractive or repulsive forces acting from distance apart. Potential energy is given by expression: $\text{P}\text{.E}=m\times \text{g}\times h$. Here, $m$ is the mass of the object, $\text{g}$ is the gravitational constant and $h$ is the height.