Chapter 7, Problem 21P

Replace the force and couple moment system acting on the beam in the figure by an equivalent resultant force, and find where its line of action intersects the beam, mesured from point O

Refer to the diagram and use g = 9.81 m/s2. Determine the moment about A due the weight of 60 kg mass, = ____ mN. Assume the pulley at D is frictionless and the tension in the cable is T. Determine the vertical component of the force applied at E, Ey = ____. Draw the free body diagram of the beam on paper, and write the equation of moment about A. determine the tensional force in the cable, T = ____ N. determine the vertical component of the force applied at E, Ey = ____ N. determine the horizontal component of the reaction force at A, Ax = ____ N. determine the vertical component of the reaction force at A, Ay = ____ N. determine the magnitude of the reaction force at A,  = ____ N.

3

Determine the placement distance a of the roller support so that the largest absolute value of the moment is a minimum. Draw the shear and moment diagrams for this condition.

The compound beam consists of two segments that are pinned together at B. Draw the shear and moment diagrams if it supports the distributed loading shown.

Determine the shear force and moment acting at a section passing through point C in the beam. 2 m 6 m 3 kN/m

Problem 3: Determine the internal normal force (P), shear force (V), and moment (M) acting in the beam at point B. 3 kN/m 6 m B -3 m-

When the degree of curvature at the shear diagram is on the 1st, its moment is on: 1st degree b. 2nd degree c. 3rd degree d. none of these а.

The beam is loaded with a uniformly varying load 0 at point D and maximum of 7 kN/m at the fixed support. Determine sense of the moment at the fixed support. D B 0.8 m → 1.8 m 0.4 m 25 kN