10035934
Description
Mind Map by Ormika Shetty , updated more than 1 year ago
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Created by Ormika Shetty
almost 9 years ago
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PRESSURE
- pressure
- formula
- unit
- pascal or Nm^2
- pascal or Nm^2
- applications
- high pressure
- a sharp knife has a very small surface area on its cutting edge so that high pressure can be exerted to cut the meat
- nails needles and pins have very sharp ends with very small surface areas when a force is applied on the head of a nail pressure will drive its sharp end into a piece of wood easily
- the studs on a Football boot have a small amount area of contact with the ground the pressure under the studs is high enough for them to sink into the ground which gives extra grip
- a sharp knife has a very small surface area on its cutting edge so that high pressure can be exerted to cut the meat
- low pressure
- skis have a large area to reduce the pressure on the snow so that they do not sink in to far
- a tractor moving on soft ground has wide Tyres to reduce the pressure on the ground so that they will not sink into the ground
- a wide shoulder pad of a heavy bag will reduce the pressure exerted on the shoulder of the person carrying the bag
- skis have a large area to reduce the pressure on the snow so that they do not sink in to far
- high pressure
- formula
- ARCHIMEDES' PRINCIPLE
- formula
- wt.of object÷ wt. of displaced fluid = density of object ÷density of fluid
- wt.of object÷ wt. of displaced fluid = density of object ÷density of fluid
- applications
- 1. Submarine: A submarine has a large ballast tank, which is used to control its position and depth from the surface of the sea. A submarine submerges by letting water into the ballast tank so that its weight becomes greater than the buoyant force. Conversely, it floats by reducing water in the ballast tank.-thus its weight is less than the buoyant force
- 1. Submarine: A submarine has a large ballast tank, which is used to control its position and depth from the surface of the sea. A submarine submerges by letting water into the ballast tank so that its weight becomes greater than the buoyant force. Conversely, it floats by reducing water in the ballast tank.-thus its weight is less than the buoyant force
- formula
- LIQUID PRESSURE
- formula
- h×density×g
- h×density×g
- characteristics
- Unlike a solid, the molecules in a liquid have a much greater freedom to move. ... A liquid, like a gas, displays the properties of a fluid. A liquid can flow, assume the shape of a container, and, if placed in a sealed container, will distribute applied pressure evenly to every surface in the container.
- Unlike a solid, the molecules in a liquid have a much greater freedom to move. ... A liquid, like a gas, displays the properties of a fluid. A liquid can flow, assume the shape of a container, and, if placed in a sealed container, will distribute applied pressure evenly to every surface in the container.
- formula
- GAS PRESSURE
- atmospheric pressure
- measuring
- simple barometer
- fortins barometer
- anaroid barometer
- simple barometer
- measuring
- measurment
- manometer
- manometer
- atmospheric pressure
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