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A 172-lb person stands on an oak beam. Determine the vertical reaction force at the right end of the beam. Let a = 84 in. and b = 24 in.

A cylindrical beam supports a shear force of 14.9 kN. The outside diameter is 42 mm, and the wall thickness is 3 mm. Determine the maximum horizontal shear stress in the beam.

Loads P = 686 N and Q = 437 N act on an oak beam. Determine the magnitude of the largest shear force (consider both positive and negative values) in the beam. Let a = 0.5 m and b = 0.9 m.

A cylindrical beam supports a shear force of 12.7 kN. The outside diameter is 76 mm, and the wall thickness is 6 mm. Determine the maximum horizontal shear stress in the beam.

Six toy blocks are glued together to form a beam that supports a shear force of 210 N. Each block has dimensions a = 14 mm and b = 42 mm. Determine the horizontal shear stress in the glue between blocks (1) and (2).

Six toy blocks are glued together to form a beam that supports a shear force of 206 N. Each block has dimensions a = 18 mm and b = 54 mm. Determine the horizontal shear stress in the glue between blocks (1) and (2).

A cylindrical beam supports a shear force of 11.1 kN. The outside diameter is 54 mm, and the wall thickness is 3 mm. Determine the maximum horizontal shear stress in the beam.

Loads P = 825 N and Q = 432 N act on an oak beam. Determine the magnitude of the largest shear force (consider both positive and negative values) in the beam. Let a = 0.5 m and b = 1.0 m.

Two toy blocks are stacked to form an L-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 which is located 28.50 mm above the table.

Three 25-lb boxes are placed on an oak beam. Determine the vertical reaction force at the left end of the beam. Let a = 74 in. and b = 36 in.