Найти давление которое оказывает сила 660н на площадь 30 м в квадрате

Давление равно частному силы и площади поверхности,выражается в Паскалях
660Н/30м в квадрате=22Па

Primary schools in England
In Great Britain school begins at the age of four or five. Many boys and girls usually leave school at the age of sixteen.
In England the school year begins in September, but not always on the first day of the month.The weather is usually fine. 
Little children go to school with their parents. They look so clean and nice and don't have any bags or books with them. Pupils will get them later. They will get exercise books, pencils, pens, rulers and rubbers too.
Classes usually begin at nine. Their classes are not always formal. They often sit on the carpet on the floor and listen to their teacher. 
English pupils often play outdoors.
English children have classes five days a week. Saturdays and Sunday are their days off.
At the age of five primary school children go to infant. They play different games, run and jump.
 They learn how to get on with other children. Their classes are informal, but they learn to read, count and write a little too.
 Their subject are: English, Maths, History, Nature Study, Geography, Art, Music.
They visit different museums and other famous and interesting places

In our days everybody knows what the word “America” means. First of all it is the name of the country – the United States of America – or just America. And then America is the name of the two continents – North America and South America. These two continents, 
Christopher Columbus discovered America in 1492.
This is a song that many children learn about Christopher Columbus and his journey to America.
We don’t know much about the man. He was born in Italy but lived in Spain for a long time. He was a seaman and made many sea voyages. In 1492 the King and the Queen of Spain gave him money to go to India. People began to speak about the land as “the New World”.