Pressure in fluids -SP15

Question 1

what does normal mean in terms of pressure?

Answer 1

at right angles

Question 1

why are snow shoes good for reducing pressure?

Answer 1

spread weight of person over a large area so the pressure on the snow is less

Question 2

what is pressure of the air at sea level?

Answer 2

10,000 Pa

Question 3

what is atmospheric pressure?

Answer 3

pressure at sea level from the air

Question 4

what does the pressure exerted by a fluid depend on?

Answer 4

depth of the fluid

Question 5

why is more pressure exerted the deeper you are?

Answer 5

more weight above you

Question 6

what happens when you go above sea level?

Answer 6

air pressure decreases - less air above you

Question 7

what does pressure in liquid depend on?

Answer 7

density of fluid

Question 8

how many more times denser is water than air at sea level?

Answer 8

800

Question 9

what happens under sea level? why?

Answer 9

the pressure is double what would have been felt at the surface - the total pressure is due to both water + air above