A dam has the shape of a trapezoid. The height of the dam is 20 m and the width is 50 m at the top and 30 at the bottom. Find the hydrostatic force on the dam if the water level reaches the top of the dam.

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A: The walls will experience force due to the water.  The walls at the bottom have to support more…

Q: When is the flow considered Laminar? A B D Re = 4000 Re = 2000 Re 4000

A: Let's check each option one by one 1. Re = 4000  Incorrect option  If Re = 4000 then the flow is…

Q: The Deligne Dam on the Cayley River is built so that the wall facing the water is shaped like the…

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Q: An oil tank has draft (depth under water) of 25 m in salt water. Assuming its sides are vertical.…

A: Given: An oil tank has a draft of 25m in saltwater. Assuming its sides are vertical. what is its…

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Q: Suppose the shape of a small dam is an isosceles triangle with a height of 30 meters and width, at…

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Q: Why is a water tower generally placed on top of a hill? If the hill is 50 m high, can it supply…

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Q: A dike in Holland springs a leak through a hole of area 1 cm2 at a depth of 2 m below the water…

A: The pressure P (N/m2) , inside water is given by                           P= hdg…

Q: A lady wearing high heel shoes balances on a single heel. The heel is circular with a diameter 0.8…

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Q: A fish tank of base area 0.4m and height 40 cm is filled with water, find : The pressure of water on…

A: As per guidelines , only 3 subparts are solved here. Given , Base area of fish tank  , A = 0.4m2…

Q: 90 The sewage outlet of a house constructed on a slope is 6.59 m be- low street level. If the sewer…

A: Given data: The sewage outlet is h1=6.59 m. The depth of sewer is h2=2.16 m. Density of waste is…

Q: A rectangular air mattress has a mass of 20kg and is 2.0 m long, 0.50m wide and 0.10m thick.  What…

A: Given data-        mass of mattress = 20 Kg       dimensions of mattress, l = 2m, w = 0.50m, t =…

Q: A wooden raft has a density of 0.500×103kg/m3 , and dimensions of 3.05m × 6.10m × 0.305m (i.e. depth…

A: Given that Length of the wooden raft is L = 6.10 m Width of the wooden raft is w = 3.05 m Depth of…

Q: The figure to the right shows the shape and dimensions of a small dam. Assuming the water level is…

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Q: The face of a vertical dam has the shape of an isosceles triangle of altitude 4 m with an upper base…

A: The hydrostatic force exerted by a fluid on a submerged horizontal body is given by the equation:…

Q: In the figure, the fresh water behind a reservoir dam has depth D = 15.5 m. A horizontal pipe 5.62…

A: The given data are: D=15.5 mdp=5.62 cm=5.62×10-2 md=5.24 m

Q: he unit of strain is: A (a) pascals B (b) metres O (c) dimension-less D (d) newtons (E) e. No answer

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Q: A dam has a semicircular gate with diameter 4 m. The top of the gate is 8 m below the surface of…

A: The vertical component of hydrostatic force on a submerged curved surface is equal to the weight of…

Q: A force of 295 N is applied to a hydraulic jack piston that is 0.026m in diameter. The second piston…

A: Given data:  Force applied to first piston (F1) = 295 N Diameter of first piston (d1) = 0.026 m…

Q: The following figure shows the shape and dimensions of a small dam. Assuming the water level is at…

A: Given Information:- Width of the dam is w=45 m. Height of the dam is h=9 m. Therefore area of the…

Q: Consider a hydraulic jack being used in a car repair shop. The pistons have an area of A1 = 0.8 cm2…

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Q: What is the depth of a lake if pressure of 8×105 [Pa] acts upon its bottom?

A: The pressure at the bottom of the lake,

Q: Water flows in a horizontal pipe from wide to narrow portion. The wider portion atea is 8 cm square…

A: Given data: Cross sectional area of wider portion A = 8 cm2 Speed of water at wider area (v) = 10…

Q: 1 m 2 m E 2 m H 1 m -2 m -1 m-

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Q: A small ferryboat is 3.5 m wide and 5.9 m long.What is the weight of the truck when the boat sinks…

A: Given:Length of ferryboat (L) = 5.9 m.Width of ferryboat (B) = 3.5 m.Sinking of boat (x) = 4.3 cm =…

Q: Consider a 200-ft-high, 1200-ft-wide dam filled to capacity. Determine (a) the hydrostatic force on…

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Q: The vertical surface of a reservoir dam that is in contact with the water is 150 m wide and 13 m…

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Q: A hydraulic lift is designed with an output cylinder that has 36 X the area of the input cylinder.…

A: According to Pascal principle the pressure in a static fluid is distributed equally at every point…

Q: A water trough has a semicircular cross section with a radius of 1 meter and a length of 3 meters.…

A: Convert the density of water into SI units.ρ=9810 lb/ft30.45 kg1 lb1 ft0.3 m3ρ=163.5×103 kg/m3…

Q: The 500-kg load on the hydraulic lift is to be raised by pouring oil (p = 780 kg/m³) into a thin…

A: Given data, Load mass = 500 kg Diameter = 1.2 m Density of the oil = 780 kg/m3

Q: An iceberg that floats with 88.5% of its volume submerged in seawater of density 1060 kg/m^3.  if…

A: Apply Archimedes principal and write the expression.   x1Viceρw1g=ρiceVicegx1ρw1=ρiceVice…

Q: Consider a hydraulic jack being used in a car repair shop. The pistons have an area of A1 = 0.8 cm2…

A: Given, Area of the pistons, A1 = 0.8 cm2 A2 = 0.04 m2 Specific gravity of the oil, ρsg = 0.870…

Q: In a hydraulic press, the small cylinder has a diameter of 8cm while the larger piston has 22cm. If…

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Q: The vertical face of a dam across a river has the shape of a parabola 20 m across the top and 10 m…

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Q: 3.99 The hydrometer shown sinks 5.3 cm in water (15°C). The bulb displaces 1.0 cm³, and the stem…

A: Archimedes principle states that the buoyant force is equal to the weight of the displaced water. A…

Q: d the pressure in atmospheres at the base of Dam if the water in the reservoir is 220 meters deep.…

A: Excess pressure due to liquid column =h.d.g Where h = height of liquid  And d = density of liquid

Q: A vertical dam has a semicircular gate as shown in the figure. Find the = Pressure x Area and…

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Q: What is the pressure at a depth of 150 m in the ocean?  The density of seawater is 1. 03 × 10…

A: The pressure at the depth is given by, P=P0+ρgh Here, P0 is the atmospheric pressure, ρ is the…

Q: 15 kg rectangular book with a length  of 70 cm and the width of 40 cm rests on the table. find the…

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Q: Find the force against a dam that is 18 meters deep and 69 meters long. The density of water is 1000…

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!