The Electric Field
... Additionally, every mass in the universe has the ability to “read the business cards” of every other mass. This transfer of information from one mass to another is the gravitational force that attracts masses together. (Once one mass reads another masses’ business card, the first mass feels a strang ...
... Additionally, every mass in the universe has the ability to “read the business cards” of every other mass. This transfer of information from one mass to another is the gravitational force that attracts masses together. (Once one mass reads another masses’ business card, the first mass feels a strang ...
16 Magnetism
... Magne3c Forces An electric field exerts a force on all charged par3cles. the electric force is parallel to the electric field A magne3c field exerts a force only on moving charged par3cles. the ...
... Magne3c Forces An electric field exerts a force on all charged par3cles. the electric force is parallel to the electric field A magne3c field exerts a force only on moving charged par3cles. the ...
DYNAMIC PROPERTIES OF THE ELECTROMAGNETIC FIELD
... One body and the electromagnetic field in which it is placed form a single physical system. A domain bounded by a closed surface located within the body is a part of this physical system. In the paper, we shall determine the momentum of the electromagnetic field and the flux of the momentum of the e ...
... One body and the electromagnetic field in which it is placed form a single physical system. A domain bounded by a closed surface located within the body is a part of this physical system. In the paper, we shall determine the momentum of the electromagnetic field and the flux of the momentum of the e ...
Static Electricity
... positively by some method. The charge is initially deposited on the left side of the sphere. Yet because the object is conductive, the charge spreads uniformly throughout the surface of the sphere. The uniform distribution of charge is explained by the fact that ____. a. the charged atoms at the loc ...
... positively by some method. The charge is initially deposited on the left side of the sphere. Yet because the object is conductive, the charge spreads uniformly throughout the surface of the sphere. The uniform distribution of charge is explained by the fact that ____. a. the charged atoms at the loc ...
Physics 3204 Course Clarifications
... will be reviewed by teachers every year and any recommended additions or corrections will be made at that time. Please contact me with any comments regarding this document.([email protected]) General Notes: ...
... will be reviewed by teachers every year and any recommended additions or corrections will be made at that time. Please contact me with any comments regarding this document.([email protected]) General Notes: ...
Weightlessness
Weightlessness, or an absence of 'weight', is an absence of stress and strain resulting from externally applied mechanical contact-forces, typically normal forces from floors, seats, beds, scales, and the like. Counterintuitively, a uniform gravitational field does not by itself cause stress or strain, and a body in free fall in such an environment experiences no g-force acceleration and feels weightless. This is also termed ""zero-g"" where the term is more correctly understood as meaning ""zero g-force.""When bodies are acted upon by non-gravitational forces, as in a centrifuge, a rotating space station, or within a space ship with rockets firing, a sensation of weight is produced, as the contact forces from the moving structure act to overcome the body's inertia. In such cases, a sensation of weight, in the sense of a state of stress can occur, even if the gravitational field was zero. In such cases, g-forces are felt, and bodies are not weightless.When the gravitational field is non-uniform, a body in free fall suffers tidal effects and is not stress-free. Near a black hole, such tidal effects can be very strong. In the case of the Earth, the effects are minor, especially on objects of relatively small dimension (such as the human body or a spacecraft) and the overall sensation of weightlessness in these cases is preserved. This condition is known as microgravity and it prevails in orbiting spacecraft.