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English 8 Public

Pressure

Study Slideshow

What is pressure??

The perpendicular force per unit area

What is the formula to find pressure?

P = F / A

What is the unit for pressure?

Pascal or N/m2

What is the unit for force?

Newton

What is the unit for area?

Which one has a big pressure? explain your answer!

The high heels, because the are is smaller than the foot of elephant. but we have to make sure that the force which applied to both of them are same

When the wind blows, it creates pressure on any surface it blows against. A large window has an area of 3.5?^2. If the wind causes a pressure of 2000 Pa on the window, what force acts on it?

7000 N

A rectangular block weighs 240 N. the area of the block in contact with the floor is 20 c?^2. Calculate the pressure on the floor. (Give your answer in N/c?^2)

12 N/m^2