Question: A bracket attached to a fixed member by four identical bolts and weld which experiences a fluctuating force which varies between 0 and 20 N

A bracket attached to a fixed member by four identical bolts and weld which experiences a fluctuating force which varies between 0 and 20 N Because of safety considerations SAE class 88 steel bolts and a minimum safety factor of 3 based on proof strength are to be used Showing all relevant steps determine an appropriate bolt diameter and required weld height h Neglect friction forces between the bracket and fixed member The allowable shear stress in the weld throat is 120 MPa Sut600 MPa Sy500 MPa welding material Sut400 MPa Sy 300 MPa Bracket and fixed member

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