When studying non-contact forces like the electrical force, we often talk about

Question

When studying non-contact forces like the electrical force, we often talk about a field that is set up around a charged object or a group of charged objects. Once we know the strength of the electric field at a location in space, we can figure out the force another charged particle would experience if put at that point in space. To calculate the force, you simply multiple the electrical charge of the object by the strength of the electric field (F = qE).

Lastly, since a field is a vector (it has both a magnitude and a direction), we have to decide how to determine the direction of the field. By convention the direction of the field at a point in space is the direction of the force on a small positively charged particle placed at that point in space. If the field points to the North, a tiny positively charged particle (say a proton) would experience a force to the North. A negatively charged particle, for example an electron, would experience a force to the South, in the direction opposite the direction of the field.

Suppose at some point in space there is an electric field of 4.14

Explanation / Answer

in first experiment particle with +0.318C particle experiences force towards right side with a magnitude of 1316.52N.

in second experiment particle -0.318C particle experiences force towards left side with a magnitude of 1316.52N.
in third part it is in an electric field having 1063.44N/C magnitude.

all the caluculations are done using the given equation F=qE.
where F is electric force, E is electric field and q is charge of the particle

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