Four toy blocks are stacked to form a hollow-rectangular-tube shape. Each block has dimensions a = 25 mm and b = 75 mm. Determine the moment of inertia about the horizontal centroidal axis for the shape.

A 2,220-lb robotic dinosaur stands on a simply-supported beam. Determine the vertical reaction force at the right end of the beam. Let a = 5.2 ft and b = 9.7 ft.

A 8.7-lb pterodactyl stands at a = 5.1 ft on a limb. Determine the maximum bending moment in the limb.

A 2,970-lb robotic dinosaur stands on a simply-supported beam. Determine the vertical reaction force at the left end of the beam. Let a = 7.5 ft and b = 11.8 ft.

Three toy blocks are stacked to form an I-shape. Each block has dimensions a = 18 mm and b = 54 mm. Determine the moment of inertia about the horizontal centroidal axis for the shape.

A 1,730-lb robotic dinosaur stands on a simply-supported beam. Determine the vertical reaction force at the right end of the beam. Let a = 6.8 ft and b = 8.5 ft.

Three toy blocks are stacked to form an I-shape. Each block has dimensions a = 19 mm and b = 57 mm. Determine the moment of inertia about the horizontal centroidal axis for the shape.

Force P = 28 lb is applied to a wench that has dimensions a = 7.2 in., b = 0.62 in., and c = 0.23 in. Determine the magnitude of the largest bending stress in the handle of the wrench.

A 1,820-lb dinosaur stands on a simply-supported beam. Determine the maximum bending moment in the beam. Let a = 7.6 ft and b = 10.3 ft.

A 52-N eagle sits on a tee-shaped post that has a diameter of 57 mm. Determine the magnitude of the largest normal stress in the vertical part of the post. Let a = 0.45 m be the distance from the eagle to the centroid of the post.