F P A 

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Name: ___________________________
Date: ____________
Block: _______
Pressure Problem Set
Equation: P 
F
A
Example 1:
Brooke comes home from school and puts her books down on the kitchen table while she grabs a snack.
The books have a combined weight of 25 N and the area of contact is 0.19 m by 0.24 m. How much
pressure do the books apply to the table?
Example 2:
A 6 N cylindrical cup of water exerts 1200 pa of pressure on a desk. What is the radius of the cup?
Example 3:
A 130 pound woman is wearing a pair of high heels that have a surface area 12.80 in2 under the shoes. A
9000 pound has a combine a surface area of 1200 in2 for all 4 feet. Which will generate more pressure if
they stood on your chest?
Name: ___________________________
Date: ____________
Block: _______
Complete the following problems on a separate sheet of paper. Show you work to receive full credit.
1. Two 1.70 kg physics books are on a table. Book A is lying flat on the table while Book B is standing
on its end.
a. Which exerts a greater FORCE on a table?
b. Which exerts a greater PRESSURE on the table?
2. Mr. White and Mr. Connelly are marching across the field at graduation. Each teacher has a mass of
75 kg. Mr. White is wearing sneakers that contact the ground with an area of 100 cm2, while Mr.
Connelly is wearing dress shoes that only contact the ground with an area of 75 cm2.
a. How much do Mr. White and Mr. Connelly weigh each?
b. How much pressure does Mr. White exert on the ground?
c. How much pressure does Mr. Connelly exert on the ground?
3. A piston from a hydraulic lift has a radius of 0.05 m and can create a force of 15,000 N to lift a car.
How much pressure does the piston place on the car frame?
4. A tire of a car is filled with an air pressure of 55 psi. If the air pressure creates a force 4400 pound
force on the side of the tire, what is the surface area of the side of the tire?
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