Question: Write the scientific definition of pressure
Answer: The amount of force per unit area.
Question: Pressure is the result of a(n) _______ distributed over a(n) ___________
Answer: Force, Area
Question: The same force is exerted by each of the following. Which exerts the most pressure?
– a foot
– a large book
– the tip of a ball-point pen
– a fingertip
Answer: The tip of a ball-point pen
Question: How is pressure calculated. Write a word equation.
Answer: Force divided by area
Question: A wooden crate that measure 2.0 m long and 0.40 m wide rests on the floor. If the crate has a weight of 600.0 N, what pressure does it exert on the floor?
Answer: 750Pa
Question: A substance that assumes the shape of its container is called a(n) _________
Answer: Fluid
Question: List four examples of fluids.
Answer: – air
– oxygen
– oil
– water
Question: Indicate the statement that is true about fluid pressure.
Answer: – The pressure in a fluid at any given depth is constant, and it is exerted equally in all directions.
– The two factors that determine the pressure a fluid exerts are type of the fluid and its depth.
Question: Is the following sentence true or false? The pressure at a depth of 2 feet in a large late is greater than the pressure at the same depth in a swimming pool
Answer: False; The pressure will be the same.
Question: Instead of referring to their depth in the atmosphere, people refer to their ________ above sea level.
Answer: Altitude