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4 cards from this section. Quick, good the night before a test.
Define force in your own words.
Think about how you can move objects.
What is the formula for calculating pressure?
Recall the relationship between force and area.
What is pressure?
Remember, pressure involves area as well as force.
True or False: Atmospheric pressure increases with altitude.
Think about the air we breathe.
A hydraulic lift can lift a car weighing 1500 kg. Calculate the force needed if the area of the piston is 0.5 m².
Remember to convert weight into force using gravity.
If atmospheric pressure at sea level is 101.3 kPa, how much pressure is exerted at the summit of Mount Everest (>8,848 m)?
Calculate the total decrease in pressure based upon altitude.
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