Fluids test

Question 1

Archenemies principle

Answer 1

The weight of a submerged object is equal to the weight of the displaced fluid

Question 2

Paschals principal

Answer 2

Pressure = Force divided by area

Question 3

Bernoulli’s principle

Answer 3

Increase in speed means a decrease in pressure

Question 4

What influences pressure underwater

Answer 4

Height

Question 5

If something floats above the water

Answer 5

It is less dense then the water

Question 6

If something sinks in the water

Answer 6

It is more dense then the water

Question 7

If a cylinder is larger then the one being pushed

Answer 7

It moves less

Question 8

Density formula

Answer 8

Mass divided by volume

Question 9

Pressure formula

Answer 9

Force divided by area

Question 10

Hydraulic system formula

Answer 10

Pressure = force 1 over area 1 equal to force 2 over area 2