What is motivation? Why is it a critical thing?

What is motivation? Why is it a critical thing?

Motivation is a set of forces that cause people to behave in certain ways. It is a general desire to learn new things, techniques which help in accomplishing the objectives. Organizations run successfully, when employees use their abilities & a strong desire to achieve the given tasks.

Motivation is critical issue as the employees join organizations with different needs & expectations. They have different values, beliefs, nature, behaviour, attitude,etc. They come from different backgrounds & thus, it becomes difficult to motivate such diverse workforces.