Pressure - AP Physics 1
Card 1 of 30
What does $\rho$ represent in the fluid pressure formula?
What does $\rho$ represent in the fluid pressure formula?
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Density of the fluid. Mass per unit volume of the fluid.
Density of the fluid. Mass per unit volume of the fluid.
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Which physical quantity is constant in an isobaric process?
Which physical quantity is constant in an isobaric process?
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Pressure. Constant pressure process definition.
Pressure. Constant pressure process definition.
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Find the pressure exerted by a 500 N force on a 10 m² area.
Find the pressure exerted by a 500 N force on a 10 m² area.
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$P = 50 \text{ Pa}$. Using $P = \frac{F}{A} = \frac{500}{10}$.
$P = 50 \text{ Pa}$. Using $P = \frac{F}{A} = \frac{500}{10}$.
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In what unit is fluid density typically measured?
In what unit is fluid density typically measured?
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kg/m³. Standard SI density unit.
kg/m³. Standard SI density unit.
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Identify the term for pressure due to fluid motion.
Identify the term for pressure due to fluid motion.
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Dynamic pressure. Pressure from fluid kinetic energy.
Dynamic pressure. Pressure from fluid kinetic energy.
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State the formula for calculating pressure.
State the formula for calculating pressure.
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$P = \frac{F}{A}$. Force divided by area.
$P = \frac{F}{A}$. Force divided by area.
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What device measures the pressure difference between two points in a fluid?
What device measures the pressure difference between two points in a fluid?
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Manometer. U-tube device for pressure difference.
Manometer. U-tube device for pressure difference.
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Find the pressure exerted by a 500 N force on a 10 m² area.
Find the pressure exerted by a 500 N force on a 10 m² area.
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$P = 50 \text{ Pa}$. Using $P = \frac{F}{A} = \frac{500}{10}$.
$P = 50 \text{ Pa}$. Using $P = \frac{F}{A} = \frac{500}{10}$.
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What is the definition of pressure in physics?
What is the definition of pressure in physics?
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Pressure is the force exerted per unit area. Force distributed over area.
Pressure is the force exerted per unit area. Force distributed over area.
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Which physical quantity is constant in an isobaric process?
Which physical quantity is constant in an isobaric process?
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Pressure. Constant pressure process definition.
Pressure. Constant pressure process definition.
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How does pressure change with increasing fluid velocity?
How does pressure change with increasing fluid velocity?
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Pressure decreases. Bernoulli's principle relationship.
Pressure decreases. Bernoulli's principle relationship.
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How is pressure related to force and area?
How is pressure related to force and area?
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Pressure is directly proportional to force and inversely proportional to area. From $P = \frac{F}{A}$ relationship.
Pressure is directly proportional to force and inversely proportional to area. From $P = \frac{F}{A}$ relationship.
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Calculate the pressure at a depth of 5 m in water ($\rho = 1000 \text{ kg/m}^3$).
Calculate the pressure at a depth of 5 m in water ($\rho = 1000 \text{ kg/m}^3$).
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$P = 49,050 \text{ Pa}$. Using $P = \rho gh = 1000 \times 9.8 \times 5$.
$P = 49,050 \text{ Pa}$. Using $P = \rho gh = 1000 \times 9.8 \times 5$.
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What is the relationship between pressure and temperature in Gay-Lussac's Law?
What is the relationship between pressure and temperature in Gay-Lussac's Law?
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Pressure is directly proportional to temperature. At constant volume and amount.
Pressure is directly proportional to temperature. At constant volume and amount.
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Identify the term for the pressure exerted by a stationary fluid.
Identify the term for the pressure exerted by a stationary fluid.
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Static pressure. Pressure from non-moving fluid.
Static pressure. Pressure from non-moving fluid.
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What is the effect of a vacuum on pressure?
What is the effect of a vacuum on pressure?
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Pressure is reduced to near zero. Vacuum removes most gas molecules.
Pressure is reduced to near zero. Vacuum removes most gas molecules.
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What is the term for pressure due to the weight of a fluid?
What is the term for pressure due to the weight of a fluid?
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Hydrostatic pressure. Pressure from fluid weight.
Hydrostatic pressure. Pressure from fluid weight.
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What is absolute pressure?
What is absolute pressure?
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Total pressure including atmospheric pressure. Gauge plus atmospheric pressure.
Total pressure including atmospheric pressure. Gauge plus atmospheric pressure.
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What is the relationship between depth and pressure in a fluid?
What is the relationship between depth and pressure in a fluid?
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Pressure increases with depth. Hydrostatic pressure principle.
Pressure increases with depth. Hydrostatic pressure principle.
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What happens to pressure if the area is halved and force remains constant?
What happens to pressure if the area is halved and force remains constant?
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Pressure doubles. Pressure inversely proportional to area.
Pressure doubles. Pressure inversely proportional to area.
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What is the relationship between pressure and volume in Boyle's Law?
What is the relationship between pressure and volume in Boyle's Law?
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Pressure is inversely proportional to volume. Inverse relationship at constant temperature.
Pressure is inversely proportional to volume. Inverse relationship at constant temperature.
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What does $h$ represent in the fluid pressure formula?
What does $h$ represent in the fluid pressure formula?
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Height of the fluid column. Vertical distance from surface to point.
Height of the fluid column. Vertical distance from surface to point.
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Which law relates pressure and volume of a gas at constant temperature?
Which law relates pressure and volume of a gas at constant temperature?
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Boyle's Law. Relates $P$ and $V$ inversely.
Boyle's Law. Relates $P$ and $V$ inversely.
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Identify the formula for pressure in a fluid at rest.
Identify the formula for pressure in a fluid at rest.
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$P = \rho gh$. Hydrostatic pressure formula for fluids at rest.
$P = \rho gh$. Hydrostatic pressure formula for fluids at rest.
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What are the SI units of pressure?
What are the SI units of pressure?
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Pascals (Pa). One Pa equals one $\text{N/m}^2$.
Pascals (Pa). One Pa equals one $\text{N/m}^2$.
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Which instrument is used to measure atmospheric pressure?
Which instrument is used to measure atmospheric pressure?
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Barometer. Measures air pressure in atmosphere.
Barometer. Measures air pressure in atmosphere.
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What is gauge pressure?
What is gauge pressure?
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Pressure relative to atmospheric pressure. Pressure above atmospheric pressure.
Pressure relative to atmospheric pressure. Pressure above atmospheric pressure.
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Convert 1 atm to Pascals.
Convert 1 atm to Pascals.
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1 atm = 101,325 Pa. Standard atmospheric pressure conversion.
1 atm = 101,325 Pa. Standard atmospheric pressure conversion.
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What is atmospheric pressure at sea level in Pascals?
What is atmospheric pressure at sea level in Pascals?
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101,325 Pa. Standard atmospheric pressure value.
101,325 Pa. Standard atmospheric pressure value.
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Calculate the pressure at a depth of 10 m in water.
Calculate the pressure at a depth of 10 m in water.
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$P = 98,100 \text{ Pa}$. Using $P = \rho gh = 1000 \times 9.8 \times 10$.
$P = 98,100 \text{ Pa}$. Using $P = \rho gh = 1000 \times 9.8 \times 10$.
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