Which 3 factors determine the pressure exerted by liquid?
(for example the pressure exerted on a submerged ball by the surrounding water)
Answer in your head, out loud, or on paper, then tap the card to flip.
What is the formula for the pressure exerted by liquid?
(for example the pressure exerted on a submerged ball by the surrounding water)
pressure (p) = height (h) x density (ρ) x gravitational field strength (g)
p = hρg
Answer in your head, out loud, or on paper, then tap the card to flip.
What are the units of pressure in a liquid?
Pascals (Pa)
Answer in your head, out loud, or on paper, then tap the card to flip.
What is upthrust?
Upthrust is a force that pushes upwards on an object submerged in a fluid (liquids and gases).
Answer in your head, out loud, or on paper, then tap the card to flip.
What determines whether an object in liquid will float or sink?
If the weight of the object is greater than the upthrust from the water, it will sink.
If the upthrust from the water is greater than the weight of the object, it will float.
Another way to think about it is that if the object is more dense than water it will sink.
Answer in your head, out loud, or on paper, then tap the card to flip.