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Uploaded by coolphysicsvideos on Jun 22, 2011
http://www.fizik.si The position of compass needle is determined by the sum of forces. Magnetic force and electric (by influence).
Science & Technology
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Am I the only one hoping he would pop the ballon at last?
Norfeldt 8 months ago
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Am I the only one hoping he would pop the ballon at last?
Norfeldt 8 months ago