What is the main function of cellulose in plants?

Hello there.

Question: What is the main function of cellulose in plants?

It is to give rigidity to the cells.

Hope This Helps You!
Good Luck Studying ^-^ 

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.

It will increase hope this heloed