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Biblioteka

year 8 Science Homework Week 5

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Posljednje ažuriranje almost 5 years ago
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Pitanje 1
1.

Which of the following is the correct definition of hydraulics?

Pitanje 2
2.

The equation that links force, pressure and are is…

Pitanje 3
3.

What happens to pressure with increasing depth of a liquid?

Pitanje 4
4.

Which statements are correct?

Pitanje 5
5.

Imagine a balloon…

If the pressure is kept constant and the temperature is increased, what will happen to the volume?

Pitanje 6
6.

Imagine a balloon…

If the pressure is kept constant and the temperature is decreased, what will happen to the volume?

Pitanje 7
7.

Imagine a balloon…

If the volume is reduced, what happens to the pressure?

Pitanje 8
8.

Imagine a balloon…

If the volume is increased what will happen to the pressure?

Pitanje 9
9.

As the temperature increases, the pressure ...........

Pitanje 10
10.

A box weighs 100 N. It exerts a pressure of 25 Pa on a table. What is the area of the box in contact with the table?

Pitanje 11
11.

A box weighs 20 N. It exerts a pressure of 2 Pa on a table. What is the area of the box in contact with the table?

Pitanje 12
12.

A skier weighs 600 N and exerts a pressure of 2,500 Pa on the snow. What is the area of the skis?