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Gyuin G.

Physics 102 Electricity and Magnetism

6 days, 4 hours ago

You have 2 unnuclearly charged hanging balls if their masses are the same when the magnitudes of charges are different. Would the angle of the hanging balls from the normal be the same so we're going to draw a diagram to we have 2 balls hanging from a string. We'Re going to calculate a which is the angle from the normal, so we need to think about the forces involved. We have the force of tension on a string. We have the force of repulsion or electrostatic force between the 2 balls. Then we have the force of gravity acting on both of the balls. How we calculate a is that we can draw 2 similar triangles, then we can get this vector by adding the electrostatic force and the force of gravity. So, in this case, we need to discuss coulomb's law. Comb'S law will allow us to find the force of repulsion between the 2 balls combslaw states that the force of repulsion will be proportional to the product of the magnitude of the charges over the distance between the charges. Squared the problem states, the magnitudes of the charges are different. However, comes law is going to take into account both of the charges, so we're going to get the same value of the force of repulsion for both balls. Then, let's talk about the force of gravity, force of gravity would equal mass of all times. The gravitational constant the mass is going to be the same for both of the volts and gravitational constant is just a constant. Therefore, because both have the same mass. We have the same value for force of gravity for both and also defining how to calculate tension. Tension would equal mass times gravitational constant times mass times plus mass times acceleration, so both are at rest, so acceleration is not an issue and the mass is the same for both. So tension would not affect our answer. So you can see from this because f, e and f g are the same for both balls. It would make sense we would get the same value for a for both balls.

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Lectures

11:53

In physics, a charge is a physical property of matter that causes it to experience a force when placed in an electromagnetic field. Electric charge is a characteristic property of many subatomic particles, which determines their electromagnetic interactions. Electrically charged matter is influenced by, and produces, electromagnetic fields. The interaction between a moving charge and the electromagnetic field is the source of the electromagnetic force, which is one of the four fundamental forces.

10:30

The electric force is a physical force exerted by electrically charged particles, and is the force responsible for a number of phenomena in electromagnetism. The electric force plays a major role in determining the internal properties of most objects encountered in daily life. The electric force is one of the four fundamental forces (the others are the strong force, the weak force, and gravity) of nature, and is responsible for a wide range of phenomena, such as the interactions between the components of atoms and molecules, and the formation of molecular bonds and chemical compounds. The electric force is carried by elementary particles called electrons, protons and neutrons. The electric force is responsible for maintaining the cohesion of atoms and molecules, and keeping atoms and molecules together, even though electrically neutral atoms tend to repel each other. The electric force is also responsible for the phenomenon of electricity, including lightning, static electricity, and the flow of electrical current in a conductor such as a wire. In addition, the electric force plays an essential role in maintaining the structure of matter, by keeping the nucleus of the atom together, and by preventing electrically neutral atoms from collapsing into each other.

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