What is equivalent in the principle of equivalence?

What is equivalent in the principle of equivalence?

: a principle in the general theory of relativity: the mass of a body as measured by its resistance to acceleration under the action of a force is equal to the mass as measured by the effect of a gravitational field on the body.

What is the equivalence principle and what are some of its consequences?

Equivalence principle, fundamental law of physics that states that gravitational and inertial forces are of a similar nature and often indistinguishable. All dynamical experiments yield the same results as obtained in an inertial state of uniform motion unaffected by gravity.

Is the equivalence principle true?

Setting these accelerations equal for a mass is the equivalence principle. From this principle, Einstein deduced that free-fall is inertial motion. Objects in free-fall do not experience being accelerated downward (e.g. toward the earth or other massive body) but rather weightlessness and no acceleration.

What are the consequences of the equivalence principle?

An immediate consequence of the equivalence principle is that gravity bends light. To visualize why this is true imagine a photon crossing the elevator accelerating into space. As the photon crosses the elevator, the floor is accelerated upward and the photon appears to fall downward.

What is difference between general and special theory of relativity?

Special relativity applies to all physical phenomena in the absence of gravity. General relativity explains the law of gravitation and its relation to other forces of nature. It applies to the cosmological and astrophysical realm, including astronomy.

Is gravity and acceleration the same?

Gravity is measured by the acceleration that it gives to freely falling objects. Thus, for every second an object is in free fall, its speed increases by about 9.8 metres per second. At the surface of the Moon the acceleration of a freely falling body is about 1.6 metres per second per second.

What is the principle of equivalence EU law?

The principle of equivalence means that domestic procedural law must operate in the same way for rights derived from domestic law and their EU law equivalents. For example, EU law does not permit domestic law to have different limitation periods for domestic law rights and similar EU law rights.

Why is the principle of equivalence important?

Einstein’s Equivalence Principle is crucial to Einstein’s theory of general relativity in that it states that mass is the same whether inertial or gravitational, and so these types of movement are not altered by mass.

Why does the mass-energy equivalence principle apply?

Due to gravity, energies, forces act on an object in motion thus causes the change in mass. Application of the Mass-energy equivalence principle gives all the energies associated because gravity is considered.

How did Newton come up with the equivalence principle?

Newton’s gravitational theory simplified and formalized Galileo ‘s and Kepler’s ideas by recognizing Kepler’s “animal force or some other equivalent” beyond gravity and inertia were not needed, deducing from Kepler’s planetary laws how gravity reduces with distance.

What is the definition of the equivalence principle?

What is Equivalence Principle? In the general theory of relativity developed by Albert Einstein, the equivalence principle explains about “equivalence of inertial mass and gravitational mass”.

Is the law of the equality of inertial and gravitational mass equivalent?

A little reflection will show that the law of the equality of the inertial and gravitational mass is equivalent to the assertion that the acceleration imparted to a body by a gravitational field is independent of the nature of the body.