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प्रश्न
Pressure is the thrust acting on a surface of ........... area.
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उत्तर
unit.
Pressure is the thrust acting on a surface of unit area.
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संबंधित प्रश्न
Explain why Atmospheric pressure at a height of about 6 km decreases to nearly half of its value at the sea level, though the height of the atmosphere is more than 100 km
Explain why Hydrostatic pressure is a scalar quantity even though the pressure is force divided by area.
The pressure on a surface increases with an increase in the thrust on the surface.
The S.I. unit of pressure is pascal.
The figure shows a brick of weight 2 kgf and dimensions 20 cm × 10 cm × 5 cm placed in three different positions on the ground. Find the pressure exerted by the brick in each case.
An air bubble of radius 0.2 mm is situated just below the water surface. Calculate the gauge pressure. Surface tension of water = 7.2 × 10−2 N/m.
Determine the pressure when a force of 200 N acts on the area
- 20 m2
- 8 m2
Give reasons why:
cutting edges of knives and axes are sharpened.
In petrol bunks, in what unit is tire pressure measured?
Assertion (A): Wide wooden sleepers are kept below railway lines to reduce pressure on the railway tracks and prevent them from sinking into the ground.
Reason (R): Pressure is directly proportional to the area in which it is acting.
