Magnetic Force on an a Particle

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SUMMARY

The discussion focuses on calculating the magnetic force on a charged particle with a charge of 35.7 µC moving at 61.1 m/s in a magnetic field with components of 0.527 T in the y-direction and 0.820 T in the z-direction. The correct magnitude of the magnetic field, determined using the Pythagorean theorem, is 0.9756 T. The final calculated magnetic force is 2.13 mN. Additionally, the discussion addresses how to determine the direction of the magnetic force relative to the positive z-axis, emphasizing the importance of visualizing the vectors involved.

PREREQUISITES
  • Understanding of magnetic force calculation using the formula F = qvB
  • Knowledge of vector components in magnetic fields
  • Familiarity with the Pythagorean theorem for calculating resultant vectors
  • Basic principles of electromagnetism, specifically Lorentz force
NEXT STEPS
  • Study the application of the Lorentz force law in different scenarios
  • Learn how to visualize vector components in three-dimensional space
  • Explore the effects of varying charge and velocity on magnetic force
  • Investigate the relationship between electric and magnetic fields in electromagnetic theory
USEFUL FOR

Students studying physics, particularly those focusing on electromagnetism, as well as educators and anyone seeking to understand the principles of magnetic forces on charged particles.

mlsohani
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Homework Statement



A particle with a charge of 35.7 uC moves with a speed of 61.1 m/s in the positive x direction. The magnetic field in this region of space has a component of 0.527 T in the positive y direction, and a component of 0.820 T in the positive z direction. What is the magnitude of the magnetic force on the particle?

Homework Equations


magnetic F=[q]vB
electric F=qE


The Attempt at a Solution


I really do not know what I am doing and need help
Here is an attempt:

F=qvB
(3.57 e-6 C)(61.1 m/s)(0.527 T)= 1.1495 e-4 N?
 
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It is almost correct, however you took the wrong value for B. What is the magnitude of B?
 
ok! SO I figured it out! You use pathagoreum Theorem and you end up getting that
B= 0.9756 T
I pluged that in and got the answert to be: 2.13 e-3 N

NOW though I don't understand what they are asking for when they ask:
What is the direction of the magnetic force on the particle relative to the positive z-axis?
is it just the + or - infront of the value I received for the force? Or is there a completely different asnwer?
 
Do you know how to determine the direction of the magnetic force when given the direction of v and B? Just draw a picture so you can see how the vector is placed with respect to the z-axis.
 

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