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It is found that when a liquid is free from the external forces, it always gets the shape of a spherical drop. It is due to, for a needed mass, a sphere has the least field area. It seems that the field of each liquid has usually a tendency to have least field area and in this respect, it functions like a stretched membrane having a force in all directions parallel to the surface. This force in the surface of a liquid is called as surface tension.
Force: push or pull upon an object resulting from the object's dealings with another object. Whenever there is an interaction among two objects, there is a force upon every of
Archimedes' principle A body which is submerged into a fluid is buoyed up through a force equal in magnitude to the weight of the fluid which is displaced, and directed upward
Boat A is travelling at 4.6 m/s. Boat B is moving away from boat A at 9.2 m/s, as shown in the figure below. The captain of boat B blows an air horn with a frequency of 550 Hz
The primary coil of an ideal step-up transformer has 100 turns and the transformation ratio is also 100. The input voltage the power are 220 V and 1100 W respectively. Calculat
what is the displacement of the body when potential and kinetic energies are eqal?
state the conditions under which two forces form a couple and give an example of couple
Longitudinal Waves and Guitar Strings According to the diagram this pressure wave consists of rarefactions and compressions. The compressions are regions of high pressure, wher
Que: When light is vertically polarized what is it regarding the light that is vertical? Ans: It is the electric field somewhat than the magnetic field that gets most o
what is the importance of laser?
Gray; Gy (after L.H. Gray, 1905-1965): The derived SI unit of absorbed dose, described as the absorbed dose wherein the energy per unit mass imparted to the matter through ion
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