an automobile has just dropped into a river. the car door is approximately a rectangle, measures 36 in. wide and 40. in high, and the hinges on the vertical side. the water level inside the car is up the the midheight of the door, and the air inside the car is at atmospheric pressure. Calculate the force required to open the door if the force is applied 24 in. from the hinge line. (the driver did not have the presence of mind to open the window to escape) answer 2460 lbs

Transcribed Image Text:

- 36"- -24"- 4.0" - 36"- -24"- 4.0"