A rectangular stack of lead bricks measures 2 m by 3 m by 4 m. The mass density of lead is 11,340 kilograms per cubic meter. What is the total mass of the stack of lead?
[Ques. 2] A rock brought back from the Moon weighs 4 pounds and has a volume of 0.02 cubic feet. What is the rock's weight density?
[Ques. 3] The gauge pressure inside a pressure cooker is 13 psi. What is the net force on the lid of the pressure cooker if the lid's area is 110 square inches?
[Ques. 4] A person weighing 180 pounds stands on snowshoes. If the total area of the 2 snowshoes is 900 square inches, what is the pressure on the snow?
[Ques. 5] As a pressurized aircraft gains altitude, the force acting on the boarding door due to the difference between the outside air pressure and the pressure inside the aircraft _____________ with height
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[Ques. 6] As a pressurized aircraft gains altitude, the difference between the outside air pressure and the pressure inside the aircraft _____________ with height
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[Ques. 7] As an aircraft gains altitude, the outside air pressure __________ with height.
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[Ques. 8] When a 4-cubic-ft block of wood floats in a fluid whose weight density is 60 pounds per cubic foot, 3/4 of the block's volume is submerged. The buoyant force on the block is __________.
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[Ques. 9] A tire pressure gauge reads 30 psi when the atmospheric pressure is 14 psi. The net force on 2 square inches of the tire is __________.
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[Ques. 10] A person weighing 200 pounds stands on snowshoes. If the area of each snowshoe is 400 square inches, the pressure on the snow is __________ psi.
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