Buoyancy and floatation

A rectangular open box, 7.6m by 3m in plan and 3.7m deep, weighs 350KN and is launched in fresh water. (a) How deep will it sink? (b)If the water is 3.7m deep, what weight of stone placed in the box will cause it to rest on the bottom?

A rectangular open box, 7.6m by 3m in plan and 3.7m deep, weighs 350KN and is launched in fresh water.

A rectangular open box, 7.6m by 3m in plan and 3.7m deep, weighs 350KN and is launched in fresh water. (a) How deep will it sink? (b)If the water is 3.7m deep, what weight of stone placed in the box will cause it to rest on the bottom? Read More »

A block of wood floats in water with 40mm projecting above the water surface. When placed in glycerin of sp gr 1.35, the block projects 70mm above the surface of that liquid. Determine the sp gr of wood.

Specific Gravity of Wood Calculation Problem Statement A block of wood floats in water and glycerin under the following conditions:

A block of wood floats in water with 40mm projecting above the water surface. When placed in glycerin of sp gr 1.35, the block projects 70mm above the surface of that liquid. Determine the sp gr of wood. Read More »

A wooden block of width 2m, depth 1.5m and length 4m floats horizontally in water. Find the volume of water displaced and the position of center of buoyancy. The specific gravity of wooden block is 0.7.

Floating Wooden Block Analysis Problem Statement A wooden block of dimensions: Width: 2m Depth: 1.5m Length: 4m Specific gravity: 0.7

A wooden block of width 2m, depth 1.5m and length 4m floats horizontally in water. Find the volume of water displaced and the position of center of buoyancy. The specific gravity of wooden block is 0.7. Read More »

A piece of wood of sp gr 0.65 is 80mm square and 1.5m long. How many Newtons of lead weighing 120KN/m3 must be fastened at one end of the stick so that it will float upright with 0.3m out of water?

Floating Wood with Lead Attachment Problem Statement A wooden stick with a square cross-section and specific gravity of 0.65 is

A piece of wood of sp gr 0.65 is 80mm square and 1.5m long. How many Newtons of lead weighing 120KN/m3 must be fastened at one end of the stick so that it will float upright with 0.3m out of water? Read More »

A steel pipeline carrying gas has an internal diameter of 120cm and an external diameter of 125cm. It is laid across the bed of a river, completely immersed in water and is anchored at intervals of 3m along its length. Calculate the buoyancy force per meter run and upward force on each anchorage. Take density of steel = 7900 kg/m3.

Buoyancy Force on Steel Pipeline Problem Statement A steel pipeline carrying gas has the following specifications: Internal diameter: 120 cm

A steel pipeline carrying gas has an internal diameter of 120cm and an external diameter of 125cm. It is laid across the bed of a river, completely immersed in water and is anchored at intervals of 3m along its length. Calculate the buoyancy force per meter run and upward force on each anchorage. Take density of steel = 7900 kg/m3. Read More »

A rectangular pontoon has a width of 6m, length of 10m and a draught of 2m in fresh water. Calculate (a) weight of pontoon, (b) its draught in seawater of density 1025 kg/m3 and (c) the load that can be supported by the pontoon in fresh water if the maximum draught permissible is 2.3m.

A rectangular pontoon has a width of 6m, length of 10m and a draught of 2m in fresh water. Calculate

A rectangular pontoon has a width of 6m, length of 10m and a draught of 2m in fresh water. Calculate (a) weight of pontoon, (b) its draught in seawater of density 1025 kg/m3 and (c) the load that can be supported by the pontoon in fresh water if the maximum draught permissible is 2.3m. Read More »

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