Question

Книга лежит на столе.Масса книги 0,6 кг,площадь ее соприкосновение со столом 0,08 м^2.Каково давление книги на стол?

Answer 1

Дано: m=0,6 кг, S=0,08 м2. Найти Р. Решение: по определению Р=F/S, F=mg. P=mg/S= 0,6*10/0,08=600/8=75 Па

Answer 2

Calculation of Pressure

To calculate the pressure exerted by the book on the table, we can use the formula:

Pressure = Force / Area

In this case, the force is equal to the weight of the book, and the area is the contact area between the book and the table.

Given: - Mass of the book = 0.6 kg - Contact area between the book and the table = 0.08 m^2

To find the force, we can use the formula:

Force = Mass * Acceleration due to gravity

The acceleration due to gravity is approximately 9.8 m/s^2.

Let's calculate the force first:

Force = 0.6 kg * 9.8 m/s^2 = 5.88 N Now, we can calculate the pressure:

Pressure = 5.88 N / 0.08 m^2 = 73.5 Pa

Therefore, the pressure exerted by the book on the table is 73.5 Pascal (Pa).

Please note that Pascal (Pa) is the SI unit of pressure.