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In that time the spoken word will be stronger than the sword". [ 14 ] Abu'l-Fazl ibn Mubarak , who died in 1602 and was personal scribe and vizier to Akbar the Great , wrote of a gentleman put in charge of a fiefdom having "been promoted from the pen to the sword and taken his place among those who join the sword to the pen, and are masters ...
If one were to fall into a black hole feet first, the gravity at their feet would be much stronger than at their head, causing the person to be vertically stretched. Along with that, the right side of the body will be pulled to the left, and the left side of the body will be pulled to the right, horizontally compressing the person. [3]
Seasons are not caused by the Earth being closer to the Sun in the summer than in the winter, but by the effects of Earth's 23.4-degree axial tilt. Each hemisphere is tilted towards the Sun in its respective summer (July in the Northern Hemisphere and January in the Southern Hemisphere), resulting in longer days and more direct sunlight, with ...
It is best to be on the safe side; It is better to be smarter than you appear than to appear smarter than you are; It is better to give than to receive; It is better to have loved and lost than never to have loved at all; It is better to cultivate a Land with two Bulls, rather working under Boss who never gives Wage when asked
The left-hand side is the time derivative of the momentum, and the right-hand side is the force, represented in terms of the potential energy. [ 9 ] : 737 Landau and Lifshitz argue that the Lagrangian formulation makes the conceptual content of classical mechanics more clear than starting with Newton's laws. [ 26 ]
The gravitational pull on the closer half is stronger, since gravity decreases with the square of distance, so this creates a small torque on the Earth as the Sun pulls harder on one side of the Earth than the other. The axis of this torque is roughly perpendicular to the axis of the Earth's rotation so the axis of rotation precesses. If the ...
Newton theorised correctly that the Earth was not precisely a sphere but had an oblate ellipsoidal shape, slightly flattened at the poles due to the centrifugal force of its rotation. Since the surface of the Earth is closer to its centre at the poles than at the equator, gravity is stronger there.
It is a generalisation of the vector form, which becomes particularly useful if more than two objects are involved (such as a rocket between the Earth and the Moon). For two objects (e.g. object 2 is a rocket, object 1 the Earth), we simply write r instead of r 12 and m instead of m 2 and define the gravitational field g ( r ) as: