year 8 Science Homework Week 5

Last updated about 4 years ago
12 questions
1

Which of the following is the correct definition of hydraulics?

1

The equation that links force, pressure and are is…

1

What happens to pressure with increasing depth of a liquid?

1

Which statements are correct?

1

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

1

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

1

Imagine a balloon…
If the volume is reduced, what happens to the pressure?

1

Imagine a balloon…
If the volume is increased what will happen to the pressure?

1

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

1

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?

1

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?

1

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