Weight and Mass
Force and Pressure
2.4 Exp: Another Type of Balance
Pressure in Liquids
The Buoyant Force
100
9.8
What is Earth's g-force?
100
Pressure
What is force per unit area?
100
D = m / v
What is formula for density?
100
The depth
What is the determining factor for the pressure at the bottom of a column of fluid?
100
The weight of the displaced fluid.
What is the buoyant force?
200
Gravity
What is the the force that causes weight?
200
Newtons/square centimeter
What is a possible unit for pressure?
200
The same!
What is the pressure of two columns of the same fluid with the same height?
200
All directions
In what directions is fluid pressure exerted?
200
The unit for the buoyant force.
What is a Newton.
300
Kilogram
What is accepted unit for mass?
300
As surface area increases, pressure decreases. Mo surface area, less pressure
What is the reason why a person in snow shoes exerts less pressure than the same person in stilettos?
300
Pi x r^2
What is formula for the area of a circle?
300
1/2 the presssure
What is the pressure of a fluid at at depth of 20 cm compared to 40cm?
300
The object floats
What happens when the buoyant force is greater than the weight of an object.
400
Newton
What is the unit for weight?
400
P = F / a
What is the formula for pressure?
400
How the heights of the two columns of oil compare when the water levels were equal in height
What is the same?
400
Besides depth, the other factor that determines pressure.
What is density of the fluid?
400
The object sinks
What happens when the weight of an object is greater than the buoyant force?
500
Location/elevation
What is weight dependent on?
500
10 N/square cm
What is the pressure of a 100 N brick lying on a side that is 10 square centimeters in area?
500
Volume--mass--weight--pressure
What is the correct sequence of steps to go from volume to pressure?
500
The fluid that exerts 1.5 N/cm^2 at a depth of 150cm.
What is water?
500
Why the sideways forces in a fluid cancel
Because they are equal and opposite.