Archimedes' Principle

When a stone is immersed in a bucket completely filled with water, some amount of water spill out of the bucket. The weight of water displaced (spilled) from the bucket can be explained by Archimedes principle.

 

Bragg's Law

Bragg's law was first proposed by Sir William Bragg and his son Sir Lawrence Bragg. They studied about the diffraction of X-rays and devised a method for determining the wavelength of X-rays.

Radius of Gyration

Radius of gyration is defined as the distance from the axis of rotation to a point where the total mass of the body is supposed to be concentrated, so that the moment of inertia about the axis may remain the same. Simply, gyration is the distribution of the components of an object. It is denoted by K.

Center of Mass

The center of mass (not to be confused with center to gravity) of a body is the point which behaves as if all the mass of the body is concentrated there. Thus, if a force acts at this point, the body will accelerate but will not rotate.

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