A compound is when elements are chemically combined, through intermolecular bonding. A mixture is the physical combination of substances. In simpler terms, a compound is a pure substance, while a mixture is impure.
In the sugar-water mixture, the sugar dissolves and is evenly distributed throughout the water. This makes it a homogeneous mixture.
Potential energy is the the relationship between work done height mass and acceleration due to gravity, because of this some objects also experience kinetic energy due to the factors mentioned above
