Gravitation

1. Concept Overview When a satellite revolves around the Earth in an orbit, it possesses both linear and angular momentum….

1. Concept Overview The escape velocity is the minimum velocity with which a body must be projected vertically upward from

1. Concept Overview Weightlessness is the condition in which a body experiences no apparent weight — that is, the normal

1. Statement of the Laws Johannes Kepler, using Tycho Brahe’s observations, formulated three fundamental laws that describe the motion of

The latitude at a point on the surface of the Earth is defined as the angle which the line joining

1. Concept Overview Every mass exerts a gravitational influence around it. When another body is brought into this region, work

1. Concept Overview When two masses attract each other due to gravity, work is done either by or against the

1. Concept Overview The gravitational force is the force of mutual attraction between any two objects that possess mass. It

1. Concept Overview Every object possesses mass, but mass can be defined in two different ways depending on how it

1. Concept Overview A satellite is a body that revolves around a planet in a fixed orbit under the influence