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Three-body force print that page

Science

A three body force is a force that does not exist in a system of two objects but appears in a three body system. In general, if the behaviour of a system of more than two objects cannot be described by the two body interactions between all possible pairs, as a first approximation, the

Tidal force print that page

Shoemaker-levy-tidal-forces

The tidal force is a secondary effect of the force of gravity and is responsible for the tides . It arises because the gravitational force per unit mass exerted on one body by a second body is not constant across its diameter , the side nearest to the second being more attracted by

Non-contact force print that page

A non-contact force is a force applied to an object by another body that is not in direct contact with it. The most common example of a non-contact force is gravity . A non-contact force is different from a contact force , which is a force applied to a body by another body that

wikipedia.org | 2011/8/15 14:57:59

Apparent weight print that page

example making it zero in the case of levitation . Contents 1 Definition 2 Relation with g force and mechanical resistive forces 3 Case without non-gravitational external forces 4 Objects at rest 5 Objects accelerating vertically 5.1 Free-fall 5.2 "Beyond" free-fall

wikipedia.org | 2011/5/11 0:06:55

United States Air Force In South Vietnam print that page

Usaf-vietnam-map

Vietnam and North Vietnam in which the United States was deeply involved. The United States Air Force was deployed to South Vietnam as part of this effort. Contents 1 Air Bases Used by the USAF in South Vietnam 2 Chronology of the USAF involvement in Vietnam 2.1 Advisory Years

Classical central-force problem print that page

2body

In classical mechanics , the central force problem is to determine the motion of a particle under the influence of a single central force . A central force is a force that points from the particle directly towards (or directly away from) a fixed point in space, the center, and whose magnitude

Weightlessness print that page

Foale_ZeroG

If objects are far from a star, planet, moon, or other such massive body , so that they experience very little gravitational interaction with them, or if the objects are at a point that has equal gravitational attraction from multiple masses (such as a Lagrangian point ), they will experience

Lift (force) print that page

Boeing_747-8_N747EX_First_Flight

A fluid flowing past the surface of a body exerts a surface force on it. Lift is the component of this force that is perpendicular to the oncoming flow direction. [ 1 ] It contrasts with the drag force , which is the component of the surface force parallel to the flow direction

Newton's laws of motion print that page

Newtons_laws_in_latin

objects) which are considered or idealized as a particle, [ 8 ] in the sense that the extent of the body is neglected in the evaluation of its motion, i.e., the object is small compared to the distances involved in the analysis, or the deformation and rotation of the body is of no importance

Two-body problem in general relativity print that page

1919_eclipse_negative

The two body problem in general relativity is to determine the motion and gravitational field of two bodies interacting with one another by gravitation , as described by the field equations of general relativity . Solving the Kepler problem is essential to calculate the bending of light by