What Is the Direction of the Magnetic Force on a Proton?

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SUMMARY

The discussion focuses on calculating the magnetic force acting on a proton moving in a magnetic field. The proton, with a mass of 1.67 x 10-27 kg, travels at a velocity of 2.9 x 106 m/s in a magnetic field of 6.8 T. Using the formula F = qvBsinø, where the angle ø is 90°, the calculated force is 3.2E-12 N. The direction of the magnetic force is determined using Fleming's Left Hand Rule, which is essential for understanding the orientation of forces in magnetic fields.

PREREQUISITES
  • Understanding of magnetic force equations, specifically F = qvBsinø
  • Familiarity with the concept of magnetic fields and their direction
  • Knowledge of Fleming's Left Hand Rule for determining force direction
  • Basic physics concepts related to protons and their properties
NEXT STEPS
  • Study the application of Fleming's Left Hand Rule in various scenarios
  • Explore the Lorentz force law for charged particles in magnetic fields
  • Learn about the properties of protons and their behavior in electromagnetic fields
  • Investigate the effects of varying magnetic field strengths on charged particles
USEFUL FOR

Students studying physics, particularly those focusing on electromagnetism, as well as educators and anyone interested in the behavior of charged particles in magnetic fields.

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QUESTION 1

Homework Statement



Determine the magnetic force acting on an proton (m = 1.67 x 10-27 kg) moving at 2.9 x 106 m/s in a magnetic field of 6.8 T. The proton is moving south. The magnetic field points straight down.

Homework Equations



F = qvBsinø

The Attempt at a Solution



I assumed that down means into the earth, and south means bearing to the south pole, so ø is 90°. I solved the equation and F = 3.2E-12N

However, I can't seem to figure out the direction of the force.


QUESTION 2

Homework Statement



Determine the direction of force that the proton experiences in traveling through the field. Remember that the X represents that the magnetic field points into the page.

R90OJ.png


Homework Equations



none that I can think of

The Attempt at a Solution



I don't even know where to start. :(
 
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You can use Fleming's Left Hand Rule to figure it out
 

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