Midterm !:
Midterm !: -3.1: Conditions of Equilibrium . 3.2: Free Body diagrams - 3.3: Coplaner Force diagrams Practice 3D force problems - 4.2: Cross products - 4.3: Vector moment of force 7 - 4.4: Principle of moment Notes - 4.5: moment around atis - 4.6: Coupled moments notes -4.7: forces and moments Practice - 5.4: 2/3 force members - Practice Pratice * - 5.5: Free body diagrams: joints _> - S.6: equations of Equilibrium - Practice Notes Moments: - Moment of is /2 to the plone Containing Fand 0 F Mo = For * F LA - This returns a Vector descirbing the x, y, 2 components of the M vector - Right hand Rule - your fingers carl in the direction of rotation - your thumb then describes the direction of the moment - Sliding the force 1Mg 0 1 Mo 0 R3 LOA Mo = R,XF = R2xF =RgXF If F is applied in any point along the LOA it still Creates the same moment R. F
Vector Notation Moments: R Mo = y 2 F x M Ă— M - F R