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The magnetic field formed by iron filings is repelled for like poles.
fighter jet pilot. A man in a military, in pilot suit uniform.
Asian students perform physics experiments using Spring Balance pulls the sandbags placed on the experimental table to measure the force of pulling the sandbags to move.
Blue energy magic circle, sphere, ball made of futuristic waves and lines of particles of atomic energy and electricity force field. Abstract background.
Blue purple energy sphere digital hi-tech ball futuristic magic plasma circle glowing bright force field abstract background.

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