Advertisements
Advertisements
प्रश्न
A sharp pin works better than a blunt pin. Explain the reason.
Advertisements
उत्तर
A sharp tip is provided at the end of a pin so that pressure (FORCE / AREA) exerted by it is maximum when it is pressed by a given force.
APPEARS IN
संबंधित प्रश्न
Toricelli’s barometer used mercury. Pascal duplicated it using French wine of density 984 kg m–3. Determine the height of the wine column for normal atmospheric pressure.
For a given thrust, pressure is more on a surface of large j area.
A body weighing 5 kgf, placed on a surface of area 0.1 m2, exerts a thrust on the surface equal to
The feet of lizards act like
Name two factors on which the pressure on a surface depends.
Find the thrust required to exert a pressure of 50000 pascals on an area of 0.05 m2 ?
In a pressure cooker, the food is cooked faster because ______.
A water tank has four taps fixed at points A, B, C, D as shown in the following figure. The water will flow out at the same pressure from taps at
Give reasons why:
heavy trucks are fitted with 6 to 8 wheels
Upthrust = weight of the fluid displaced – apparent weight of the object.
