На рис. 25 изображён цилиндр с поршнем. Под поршнем находится сжатый воздух. В результате действия на поршень равнодействующей

My sister is sitting between my mother and my grandmother.There is a cat between the chairs.
The bike is behind the fence.There is a teddy behind the sofa.
The kittens are under the table.There is a kite under the chair.
There is a picture over tne bed.
My teacher is in the classroom now.