Mechanical Properties of Fluids
Advertisement
Zigya App

Explain why?

Hydrostatic pressure is a scalar quantity even though pressure is force divided by area.

When a force is applied at any point, hydrostatic pressure is transmitted equally in all directions and not just in a particular direction. 
This the reason pressure is a scalar quantity even though force is a vector. 
401 Views
  • Switch
    • Advertisement
    A balloon filled with helium does not rise in air indefinitely but halts after a certain height. Why?
    Answer
    Atmospheric pressure at a height of about 6 km decreases to nearly half its value at the sea level, though the height of the atmosphere is more than 100 km. Explain why.
    Answer

    We have two barometers. One barometer contains mercury and second water. Which one will register more pressure? (Neglect the surface tension effect).

    Answer
    Does the liquid exert any force on the walls of container?
    Answer
    First 8 9 10 Last
    Advertisement