Magnetic Force

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A strong magnet is placed under a horizontal conducting ring of radius r that carries current I as shown in the figure below. The magnetic field makes an angle θ with the vertical at the ring's location.

uploaded image

a) What is the magnitude of the resultant magnetic force on the ring? 

b) What is the direction of the resultant magnetic force on the ring?

 

Please help! Thanks in advance!! 

asked Mar 17, 2013 in Physics by anonymous
    

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