Four toy blocks are stacked to form a hollow-rectangular-tube shape. Each block has dimensions a = 15 mm and b = 45 mm. Determine the moment of inertia about the horizontal centroidal axis for the shape.

A baby elephant lays on a simply-supported beam causing its weight to act like a uniformly distributed load of 48 lb/ft. Determine the vertical reaction force at the right end of the beam. Let a = 3.3 ft and b = 4.9 ft.

Bending moment M = 115 lb-ft is applied to a rectangular block that has dimensions a = 5.1 in., b = 1.5 in., and c = 5.1 in. Determine the magnitude of the largest bending stress in the block.

A baby elephant lays on a cantilever beam causing its weight to act like a uniformly distributed load of 70 lb/ft. Determine the reaction moment at the right end of the beam. Let a = 2.3 ft and b = 4.1 ft.

A baby elephant lays on a cantilever beam causing its weight to act like a uniformly distributed load of 57 lb/ft. Determine the reaction moment at the right end of the beam. Let a = 3.1 ft and b = 4.7 ft.

A 6.6-lb pterodactyl stands at a = 5.7 ft on a limb. Determine the maximum bending moment in the limb.

A snow drift acts like a linearly distributed load on the beam. Determine the vertical reaction force at the right end of the beam. Let w = 16.5 lb/ft, a = 4 ft, and b = 8 ft.

A 49-N eagle sits on a tee-shaped post that has a diameter of 55 mm. Determine the magnitude of the largest normal stress in the vertical part of the post. Let a = 0.30 m be the distance from the eagle to the centroid of the post.

A baby elephant lays on a simply-supported beam causing its weight to act like a uniformly distributed load of 59 lb/ft. Determine the vertical reaction force at the left end of the beam. Let a = 2.9 ft and b = 4.6 ft.

A snow drift acts like a linearly distributed load on the beam. Determine the vertical reaction force at the right end of the beam. Let w = 24.9 lb/ft, a = 4 ft, and b = 4 ft.