Review of fluid properties
This presentation is the property of its rightful owner.
Sponsored Links
1 / 29

Review of Fluid Properties PowerPoint PPT Presentation


  • 43 Views
  • Uploaded on
  • Presentation posted in: General

Review of Fluid Properties. Den sity, Pressure, & Buoyancy. What is the density of water?. Ans. 1000 kg/m 3 or 1 gram/cm 3 or 1 gram/ml. George the whale displaces 32 m 3 of water when floating at rest underwater. What is the George’s weight?. Ans. 320,000 N.

Download Presentation

Review of Fluid Properties

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -

Presentation Transcript


Review of fluid properties

Review of Fluid Properties

Density, Pressure, & Buoyancy


What is the density of water

What is the density of water?

Ans.

1000 kg/m3 or

1 gram/cm3 or 1 gram/ml


Review of fluid properties

George the whale displaces 32 m3 of water when floating at rest underwater. What is the George’s weight?

Ans. 320,000 N


The tip of the iceberg that is above the water represents what of the total iceberg

The “tip of the iceberg” that is above the water represents what % of the total iceberg?

Ans. 10%


A cube has a density of 500 kg m 3 will it float or sink when placed in water

A cube has a density of 500 kg/m3. Will it float or sink when placed in water?

Ans. float


A koosh displaces 5 grams of water when submerged what is the volume of the koosh

A “koosh” displaces 5 grams of water when submerged. What is the volume of the koosh?

Ans. 5 cm3


What is the volume of the cube shown below

What is the volume of the cube shown below?

0.4 m

Ans. 0.064 m3


Review of fluid properties

If the cube shown below is divided into 8 pieces of equal volume, what is the mass of one of the smaller cubes?

32 kg

Ans. 4 kg


Review of fluid properties

A cube of density 2000 kg/m3 is divided into eight identical smaller cubes. What is the density of one of the smaller cubes?

Ans. 2000 kg/m3


A cube with a density of 4000 kg m 3 is shown below what is the mass of this cube

A cube with a density of 4000 kg/m3 is shown below. What is the mass of this cube?

Ans. 256 kg

0.4 m


Review of fluid properties

A cube with a density of 4000 kg/m3 is placed into water. Once the cube is submerged, what will be the buoyant force acting on it?

Ans. 640 N

0.4 m


Review of fluid properties

A cube with a density of 200 kg/m3 is placed in water. Will it float? What will be the buoyant force acting on it?

Ans. Yes; cannot determine


What is the density of the cube that is floating in water as shown below

What is the density of the cube that is floating in water as shown below?

1/3

2/3

Ans. 667 kg/m3


What is the weight of the 55 kg man

What is the weight of the 55 kg man?

Ans. 550 N


Review of fluid properties

If the total bottom area of the 55 kg man’s feet is 0.03 m2, what is the pressure at the floor when he stands on both feet?

Ans. 18,333 Pa


What is the pressure at the floor when the man from the previous slide stands on one foot

What is the pressure at the floor when the man from the previous slide stands on one foot?

Ans. 36,667 Pa


What is the pressure at a depth of 5 m below the surface of a lake

What is the pressure at a depth of 5 m below the surface of a lake?

Ans. 50,000 Pa


Review of fluid properties

A treasure chest with a top area of 0.5 m2 sits 20 m below the surface of the sea. What is the force acting on the top?

Ans. 100,000 N


What is the volume of water displaced by the submerged portion of the cube

Water level

0.04 m

0.1 m

What is the volume of water displaced by the submerged portion of the cube?

Ans. 0.0004 m3


What is the weight of the water displaced by the submerged portion of the cube

Water level

0.04 m

0.1 m

What is the weight of the water displaced by the submerged portion of the cube?

Ans. 4 N


What is the weight of the cube

Water level

0.04 m

0.1 m

What is the weight of the cube?

Ans. 4 N


What is the density of the cube

Water level

0.04 m

0.1 m

What is the density of the cube?

Ans. 400 kg/m3


Review of fluid properties

A hovercraft floats on a cushion of air. If the hovercraft weighs 300,000 N, and has a base area of 340 m2, what is the pressure at the base?

Ans. 882 Pa


Review of fluid properties

An object that weighs 5 N in air appears to weigh only 3 N when lowered into water. What is the buoyant force acting on the object?

Ans. 2 N


Review of fluid properties

An object that weighs 5 N in air appears to weigh only 3 N when lowered into water. What is the volume of water it displaces?

Ans. 200 cm3 (0.0002 kg/m3)


Review of fluid properties

A 5000 N car is lifted on a hydraulic piston of area 2000 cm2. What force is needed on the connecting 20 cm2 piston to do this?

Ans. 50 N


Review of fluid properties

The 3000 N elephant on a 5 m2 piston platform is lifted by a 0.5 N mouse sitting on a ______ piston plunger.

Ans. 8.3 x 10-4 m2


Review of fluid properties

Ans. A

An airship is filled with helium gas and two inflatable “ballast” bags of air. Which case below shows the flow of air when the airship rises?

A

B


Review of fluid properties

Ans. high

For the fire extinguisher to work, the plunger breaks into the cylinder at point A. Is the gas in the small internal cylinder at high or low pressure?

A

water


  • Login