Suppose your car gets stuck in a flooding area, and the water rises around you. Don't worry - the water doesn't rise high enough to pose any danger, but you'd like to be able to get out of the car so that you don't have to wait for the floodwaters to subside. The question is, how hard will you have to push in order to open the door? Problems The diagram below shows the geometric information you need for the problem. 195 mm 1265 mm 825 mm 1. If the water rises to 150 mm above the bottom of the door, calculate the hydrostatic force on the door (using standard units). Show your work. 2. If you try to open this door, you would most likely push on the edge furthest from the hinges. Why? (Hint: look up the moment of a force) 3. Would it be possible for you to open this door? Assume that you push on the edge furthest from the hinges, and for the purposes of the moment that the hydrostatic force is located halfway between the hinges and the other edge. Justify your answer.
Suppose your car gets stuck in a flooding area, and the water rises around you. Don't worry - the water doesn't rise high enough to pose any danger, but you'd like to be able to get out of the car so that you don't have to wait for the floodwaters to subside. The question is, how hard will you have to push in order to open the door? Problems The diagram below shows the geometric information you need for the problem. 195 mm 1265 mm 825 mm 1. If the water rises to 150 mm above the bottom of the door, calculate the hydrostatic force on the door (using standard units). Show your work. 2. If you try to open this door, you would most likely push on the edge furthest from the hinges. Why? (Hint: look up the moment of a force) 3. Would it be possible for you to open this door? Assume that you push on the edge furthest from the hinges, and for the purposes of the moment that the hydrostatic force is located halfway between the hinges and the other edge. Justify your answer.
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Transcribed Image Text:Suppose your car gets stuck in a flooding area, and the water rises around you. Don't worry the water doesn't
rise high enough to pose any danger, but you'd like to be able to get out of the car so that you don't have to wait
for the floodwaters to subside. The question is, how hard will you have to push in order to open the door?
Problems
The diagram below shows the geometric information you need for the problem.
195 mm
1265 mm
825 mm
1. If the water rises to 150 mm above the bottom of the door, calculate the hydrostatic force on the door (using
standard units). Show your work.
2. If you try to open this door, you would most likely push on the edge furthest from the hinges. Why? (Hint:
look up the moment of a force)
3. Would it be possible for you to open this door? Assume that you push on the edge furthest from the hinges,
and for the purposes of the moment that the hydrostatic force is located halfway between the hinges and
the other edge. Justify your answer.
4. Find the maximum height of the water that would still allow you to open the door, using the same assumptions
as above.
Again, make sure that your report is written in paragraph form (not as a numbered list), with clearly labeled
sections.
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for question 1, how did you get the area for the triangle? i dont understand how you got (.15-x)*2
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