A dump truck uses a hydraulic cylinder, as the drawing illustrates. When activat
ID: 2199577 • Letter: A
Question
A dump truck uses a hydraulic cylinder, as the drawing illustrates. When activated by the operator, a pump injects hydraulic oil into the cylinder at an absolute pressure of 3.65 x 106 Pa and drives the output plunger, which has a radius of 0.230 m. Assuming the plunger remains perpendicular to the floor of the load bed, find the torque that the plunger creates about the axis identified in the drawing.
A dump truck uses a hydraulic cylinder, as the drawing illustrates. When activated by the operator, a pump injects hydraulic oil into the cylinder at an absolute pressure of 3.65 x 106 Pa and drives the output plunger, which has a radius of 0.230 m. Assuming the plunger remains perpendicular to the floor of the load bed, find the torque that the plunger creates about the axis identified in the drawing.Explanation / Answer
Torque = r x F P = F/A (therefore, F = PA)
Torque = r x P x A. T = r x F
F = P x A = 3.70 x 10^6 Pa x pi (0.23)^2 m^2 F = 6.14 x 10^5 N
diagram is not given i assume r=3.5m
T = 3.5m x 6.14 x 10^5 N = 21.5 x 10^5 Nm01
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