How to tell if an object is supported by a force in a uniform electric field?

The question you are talking about belongs to the category of physics experiments.

Here's what I think—

1. Uniform electric field.

(The term in the middle school physics book is "point charge."

will be affected by the effects of the inside; What if it's not charged particles? For example, if you put a stone into a uniform electric field, there should be no electric field force.

the role of the company; 1) Use two small metal balls to place on two metal tubes 50cm apart;

2) Insulation of the lower end of the metal pipe;

3) Connect the positive electrode, positive electrode or negative electrode, negative electrode or positive electrode and negative electrode to the two metal pipes respectively;

4) Use a very small lightweight aluminum foil.

Rub the sheet against the glass rod, and then, place the aluminum foil sheet between the two metal balls to see the motion state of the aluminum foil sheet

If it is motionless, it may not be affected by the force of the electric field;

If there is movement, it means that the aluminum foil is acting on the electric field force.

The above views are for your reference.

In a constant electric field, an object, as an electron, must be forced to be at rest.

It mainly depends on whether the movement state of the object in the magnetic field has been changed, and the degree of force on the hand can be judged.

If you want to determine whether an object is supported by a uniform electric field, you can check the object, such as moving an object to feel whether it has a supporting force.

In order to determine whether the object is supported by the force in a uniform electric field, I think you can draw a force analysis diagram, so that you can better protect it. And supportiveness.

In order to determine whether an object is supported by a uniform electric field, I think you can analyze the force it is subjected to, so that you can better control it.

In a uniform electric field, if we want to determine whether an object supports the force, it depends on the specific motion of the object.

Summary. Dear, hello yes, a uniform electric field means that the electric field strength at each position in space is equal in magnitude and direction. The electric field force experienced by the charge at a point in the electric field is equal to the product of the field strength and the charge charge.

Therefore, the electric field force of the same charge is the same at each point in a uniform electric field (equal in the same direction). However, the direction of the electric field force is determined by both the direction of the field strength and the electrical properties of the charge – the positive charge is in the same direction as the field strength, and the negative charge is reversed to the field strength. <>

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<> in a uniform electric field, the force exerted on any charge in it is the same?

Dear, hello yes, a uniform electric field means that the electric field strength at each position in space is equal in magnitude and direction. The electric field force experienced by the charge at a point in the electric field is equal to the product of the field strength and the charge charge. Therefore, the electric field force of the same charge is the same at each point in a uniform electric field (equal to the same direction of hail).

However, the direction of the electric field force is determined by both the direction of the field strength and the electrical properties of the charge – the positive charge is in the same direction as the field strength, and the negative charge is reversed to the field strength. <>

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<> how to determine the direction of the electric field force.

The direction of the electric field is determined according to the direction of the electric field received by the charged particle traveler, and the direction of the electric field is 0 direction of the positive charge (the opposite direction of the electric field received by the negative charge).

Dear, you can look at the direction of this oh electric field force in the high three Zen wide net raid line.

The uniform electric field means that the field strength is equal everywhere, but because there is a field strength, the charge is forced, and this force drags the charge for a certain distance, isn't it equivalent to doing work on the charge? The charge also acquires kinetic energy.

This is similar to the gravitational field on the Earth's surface. We collect the same force on a tall building as we do on the ground, and when we jump off the ground, the gravitational field does its work. And throughout the process, the magnitude of the gravitational field is constant, both are g

When the electric properties of the charges are different, two charges with the same electric field strength are subjected to different forces in a uniform electric field (different directions of electrostatic force).

Uniform electric field: In a certain area, the field strength is small and small, and the direction is the same, and the electric field in this area is a uniform electric field.

The electric field lines of a uniform electric field are parallel straight lines with the same density as each other.

In a uniform electric field, e=u d, u is the potential difference between two points, and d is the distance along the direction of the electric field line, in volt meters or volt centimeters. Its physical meaning is:

The electric potential per unit length falls along the direction of the electric field line, and the greater the voltage per unit length, the greater the field strength. This formula only applies to uniform electric fields.

The charge is subjected to a constant electric field force, and the charged particles move at a uniform variable speed when they are only subjected to the electric field force.

Charged particles enter the uniform electric field and transport perpendicularly at a certain initial velocity.

If the deflection direction of the charged particle is the same as the direction of the electric field, it will be positively charged and the beam will be negatively charged if it is opposite to the direction of the electric field.

Answer: The magnitude of the force in a uniform electric field does not change.

Uniform intensity electric field: In a certain area, the field intensity is the same direction, and the electric field in the area is a uniform intensity rolling electric field.

f=qe In a uniform electric field, the force is equal everywhere and the acceleration is constant.

Whether the charge is at rest or in motion, it is subject to the electric field force, and the difference lies in the direction or magnitude of the electric field force, or whether the electric field force changes.

In a uniform electric field, the stationary charge moves in the direction of the electric field force under the action of the electric field force, and the direction of the electric field force experienced by the charge is parallel to the electric field line.

Of course, it is not a uniform magnetic field, and the force of the charge in the electric field has nothing to do with the non-motion of the charge cloud.

Any charge is subjected to an electric field force in an electric field!

Definitely by the electric field force! Any charge must be subjected to an electric field force in an electric field! It has nothing to do with other factors.

In addition to the electric field force experienced, the resultant force of other external forces and this electric field force are equal to the opposite of the opposite. The force is balanced, so it is stationary.

Be! If the amount of charge is q and the electric field strength is e, then the magnitude of the force is qe.

In a uniform electric field, why is the field strength equal everywhere?

Uniform height grip strong electric field intensity: e=u d. For a definite uniform electric field, the field strength is equal everywhere.

The electric field force of the experimental charge in a uniform electric field: f=qe, and the electric field force is equal everywhere.

Are the electric field lines perfectly parallel in a uniform electric field: Yes.

a. From the electric field force formula f=qe, it is known that the charge is not affected by the electric field force f=0 somewhere, then the electric field strength e must be zero so a is wrong

b. Put a small section of energized conductor parallel into the magnetic field, which is not affected by ampere force, but the magnetic induction strength is not zero, so B is wrong

c. When the length of the conductor and the current in the uniform magnetic field are constant, the ampere force of the conductor is not necessarily, and it is also related to the angle between the wire and the direction of the magnetic field

d. In the uniform magnetic field with inductive intensity of b, when the wire is perpendicular to the magnetic field, the maximum ampere force on the conductor is bil, and when the wire is parallel to the magnetic field, it is not subject to ampere force, so the ampere force on the conductor is between zero and bil, so d is correct

Ampere force and electric field force are two concepts.