Repeat Prob. 4.15 if the force applied to the handle of the wrench has direction angles
Ref prb:
A bolt whose shank lies on the y axis is to be loosened. In Fig. P4.15(a), an open-end wrench is used where the handle lies along the x axis. In Fig. P4.15(b), a ratchet wrench is used where the handle is parallel to the x axis. If the force applied to the handle of the wrench acts in the -z direction, determine the moment of this force about point O for each wrench. Speculate on which of the wrenches will be more effective in loosening the bolt. Explain.
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