The lug nut on the wheel of the automobile is to be removed

The lug nut on the wheel of the automobile is to be removed using the wrench. The cheater pipe AB is slipped over the handle of the wrench and a force ofF = 25 N can be applied at any point and in any direction on the assembly.

Part A

Determine the magnitude of the moment of the force about the x axis if it is applied downward at point B.

Express your answer to three significant figures and include the appropriate units.

Solution

moment about x

M_x = force * perpendicular distance

M_x = 25*0.75*(0.4/0.5)

M_x = 15 N*m