(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

A wire segment 1.2 m long carries a current I = 3.5 A, and is oriented as shown in the figure. The +x-axis points directly into the page. A uniform magnetic field of magnitude 0.50 T pointing toward the -x direction is present as shown. What is the magnetic force vector on the wire segment?

2. Relevant equations

F_{m}=Il x B

l=1.2m

h sin θ

h cos θ

3. The attempt at a solution

1.2 sin 30° = 0.6m

1.2 cos 30°= 1.04m

F_{m}= I | i j k |

| 0 1.4m 0.6m |

|0.5T 0 0 |

=3.5 (0.3 j + 0.7 k)

= 1.05 j + 2.45 k

so thats my attempt... but is totally wrong, my answer is not near any of the options. Does anyone knows what am I doing wrong??

Thank you!

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# Homework Help: A wire segment 1.2 m long carries a current I = 3.5 A

**Physics Forums | Science Articles, Homework Help, Discussion**