Force generated by a solenoid

In summary, the conversation discusses building a coil gun with a single solenoid and the equations for magnetic force. The main question is how to calculate the force on the projectile, which is not charged. The suggested solution is to look into the Lorentz force equation and consider the projectile's velocity and mass. It is also recommended to do research and consult with other coil gun builders for guidance.
  • #1
Hogger
21
0

Homework Statement


I am building a coil gun with a single solenoid. I am going through the equations I know for magnetic force and others but I don't know if I am finding the force the wire feels or if it will be the force the projectile undergoes.


Homework Equations


F=qvB (assuming that everything that needs to be constant and uniform is)
B=(uNI)/L (where u is the permeability of free space)


The Attempt at a Solution


I don't know how to get an equation for force that does not have charge since the projectile is not charged. I know there is some way to do it but I can't find it. Any help as to how I can I find the force the projectile undergoes would be greatly appreciated.
 
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  • #2


I would suggest looking into the Lorentz force equation, which takes into account the magnetic field, velocity, and charge of a particle. In this case, the projectile may not be charged, but it will still have a velocity and will experience a force due to the magnetic field. Additionally, you may need to consider the mass of the projectile in your calculations. I would also recommend doing some research on similar projects or consulting with other coil gun builders to see how they calculated the force on the projectile. Good luck with your project!
 

1. What is a solenoid?

A solenoid is a type of electromagnet that consists of a coil of wire that has an electric current passing through it. It is typically used to generate a magnetic field.

2. How is force generated by a solenoid?

When an electric current passes through a solenoid, a magnetic field is produced around the coil. This magnetic field interacts with other magnetic fields, such as those produced by other solenoids or permanent magnets, to create a force.

3. What factors affect the force generated by a solenoid?

The force generated by a solenoid depends on several factors, including the number of turns in the coil, the current passing through the coil, and the material of the core the coil is wrapped around. Additionally, the distance between the solenoid and the object it is interacting with can also affect the force.

4. How can the force generated by a solenoid be increased?

The force generated by a solenoid can be increased by increasing the current passing through the coil, increasing the number of turns in the coil, or using a higher permeability material for the core. Additionally, decreasing the distance between the solenoid and the object it is interacting with can also increase the force.

5. What are some real-world applications of solenoids?

Solenoids have a wide range of applications, including in electromechanical devices such as door locks, valves, and relays. They are also used in electric motors, speakers, and medical devices such as MRI machines. Solenoids are also commonly used in experiments and demonstrations to illustrate the principles of electromagnetism.

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