What is the magnitude of the force on the wire a? What is the direction of the f
ID: 2179395 • Letter: W
Question
What is the magnitude of the force on the wire a?
What is the direction of the force on the wire a?
A. Into the page
B. Out of the page
C. Left
D. Right
What is the magnitude of the force on the wire b?
What is the direction of the force on the wire b?
A. Into the page
B. Out of the page
C. Left
D. Right
What is the magnitude of the force on the wire c?
What is the direction of the force on the wire c?
A. Into the page
B. Out of the page
C. Left
D. Right
What is the magnitude of the force on the wire d?
What is the direction of the force on the wire d?
A. Into the page
B. Out of the page
C. Left
D. Right
Explanation / Answer
B=0.35i ,F=i*l cross B a)l=0.35*(cos(20)i+sin(20)j) F=4.5*0.35*0.35*sin(20)(-k)=-0.188k magnitude=0.188 into page b)l=0.35*(-cos(20)i+sin(20)j) F=-0.188k magnitude=0.188 into page c)l=-0.35*(cos(20)i+sin(20)j) F=0.188k magnitude=0.188 out of the page d)l=0.35*(cos(20)i-sin(20)j) F=0.188k magnitude=0.188 out of the page
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