Excess protein intake can result in

Consuming enough protein is important because the broken down protein is used for energy. Consuming relatively high or excess protein is still safe and healthy but too much of it can be associated with different complications in the body. 

Some of the problems associated with the excess protein are: (1) weight gain, (2) reduced liver and brain function, and (3) high cholesterol. 

When the ball is rising up, it gains kinetic energy. when the ball reaches the very top, it will have all potential energy, until it falls back down and gains it kinetic energy. finally when you catch the ball or it falls back down, it would have gained its potential energy back.