Why do drops fly off a wet umbrella when it is shaken?

Shaking the umbrella, we move it down, and then abruptly stop. Raindrops move together with the umbrella, then when they stop abruptly, the drops, keeping their speed, fly off the umbrella by inertia.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.