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Pressure

  • Game Code: 1755413
  •  English    25     Public
    Pressure on Matter
  •   Study   Slideshow
  • Calculate the pressure exerted by a force of 500 N on an area of 0.02 m².
    25000 Pa
  •  5
  • The weight of a table is 280 N. The table has four legs. The area of each table leg in contact with the floor is 18 cm2. Calculate the pressure of the table on the floor. Give the correct unit.
    38.89 kPa
  •  5
  • A metal block has a weight of 24 N. The area of this metal block in contact with the ground is 4.0 cm2. Calculate the pressure of this block on the ground.
    60000 N/m2
  •  5
  • The can has three identical holes 1, 2 and 3 on one side, one above the other in a vertical line, as shown in the diagram. Water is shown flowing out of hole 2 and hole 3. Draw on the diagram to show the stream of water flowing from hole 1.
    Water from top hole not travelling further than from middle hole
  •  5
  • Some vehicles have wide tyres so that they can drive over soft mud. Explain why the wide tyres enable these vehicles to drive over soft mud.
    Weight or force distributed/spread over large area.
  •  5
  • The diagram shows a mercury barometer. State what is in the space at Y above the mercury.
    Vacuum
  •  5
  • A device for measuring gas pressure is connected to a gas supply as shown in the diagram. State the name of the measuring device shown in the diagram.
    Manometer
  •  5
  • The diagram shows a metal block on a flat surface. The metal block has mass of 1.6 kg. Calculate the pressure on the flat surface due to the metal block.
    8888.89 Pa
  •  5
  • What is the SI unit of pressure?
    Pascal, Pa
  •  5
  • Which exerts a greater pressure, a force of 200 N acing on 1.0 m2, or the same force acting on 2.0 m2?
    200 N acting on 1 m2
  •  5
  • What is pressure is exerted by a force of 5 x 10^4 N acting on 2.5 m2?
    20.000 Pa
  •  5
  • A swimming pool has a base dimension of 25 m and 5 m. The pressure of the water on the bottom is 15000 Pa. What total force does the water exert on the bottom of the pool?
    1875000 N or 1.88 x 10^4 N
  •  5
  • An elephant has a mass of 5000 kg. The area of an elephant’s foot is 0.13 m2. Calculate the pressure exerted by the elephant.
    96153.8 Pa
  •  5
  • A girl has a mass of 50 kg. The area of her stiletto heel is 25 mm2. Calculate the pressure exerted by the girl.
    10^7 Pa
  •  5
  • The density of water is 1000 kg/m3. Calculate the pressure due the water on a diver when he is 25 meters under the surface.
    2.5 x 10^5 Pa
  •  5
  • Atmospheric pressure is 100.000 Pa. The roof of a building has an area of 50 m2. What force does the atmosphere exert down on the roof?
    5 x 10^6 N
  •  5
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