1. a hydraulic log splitter is used to split large logs in half. a wedge, locate

Question

1. a hydraulic log splitter is used to split large logs in half. a wedge, located on one end of the device, provides the cutting action. The shape of the wedge is an isosceles triangle that is 4 inches thck by 8 inches long. The actual effort force of 500 lb is required to split a log. The cutting action is 90 % efficient.

e. How much resistance force does the log provide against the cutting action of the wedge?

f. If friction is not a consideration, what would the ideal effort force need to be to split the log?

Explanation / Answer

we have, Mechanical advantage = slope/width = 8/4 = 2 now 2 = Output force/input force Output force = 500 x 2 = 1000 lb Now, efficiency = 90% = 900 lb a. resistance = 100 lb b. Ideal effort force = 900/2 = 450 lb

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