A 15-lb force acts at point A on the high-pressure water cock. Replace this force with a. a force-couple system, the force of which acts at point B; and b. two horizontal forces, one acting at point B and the other acting at point C.

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3. One of the dangers of tornados and hurricanes is the rapid drop in air pressure that is associated with such storms. Assume that the air pressure inside of a sealed house is 1.02 atm when a hurricane hits. The hurricane rapidly decreases the external air pressure to 0.910 atm. A square window in an outside wall of the house measures 2.02 m on each side. What is the magnitude of the net force (directed outwards) exerted on this window? (1 atm = 1.0135 x 105 Pa.)

can you please do 2, 3 only. thanks

the aqueous humor in a person's eye is exerting a force of 0.469 N on the 1.21 cm^2 area of the cornea  a) what pressure is this in mm Hg? b) is this value within the normal range for pressures in the eye? Yes or no

You were told not to stand so close to a rapidly moving train because you might get sucked under it. What do you think will likely happen to you?   Select one: The moving train could actually suck anybody closer to it. The moving train could be out of its way and will hit you. Greater pressure behind you will push you toward the moving train. Greater pressure between you and the train will pull you toward the train.

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5) Submarines need to be extremely strong to withstand the extremely high pressure of water pushing down on them. An experimental research submarine with a volume of 15,000 liters has an internal pressure of 1.2 atm. If the pressure of the ocean breaks the submarine forming a bubble with a pressure of 250 atm pushing on it, how big will that bubble be?

5. DETAILS 777777.78 Pa MY NOTES A 70.00kg ballroom dancer wearing high heels accidentally steps on her partner's foot. If her entire weight was momentarily supported by the heel of her shoe, which has a surface area of 0.90 cm², what amount of pressure does this apply to her partner's foot? 762.22 Pa 76222.22 Pa 7622222.22 Pa ASK YOUR TEACHER Suppose she instead stepped on her partner's foot with her forefoot instead of her heel (i.e., larger surface area). Would the pressure on her partner's foot be greater, less than, or equal to if she stepped on her partner with her heel? The pressure from the forefoot would be greater than the pressure from her heel. The pressure from the forefoot would be equal to the pressure from her heel. The pressure from the forefoot would be less than the pressure from her heel.