Question: A bar magnet is dropped through a loop of wire as shown in Figure P21.29. (a) When the bar magnet is above the plane of

A bar magnet is dropped through a loop of wire as shown in Figure P21.29.
(a) When the bar magnet is above the plane of the loop, the current induced in the loop is counterclockwise as viewed from above. Is the orientation of the bar magnet north pole up or south pole up?
(b) What is the direction of the resulting magnetic force on the bar magnet?
(c) Suppose the orientation of the bar magnet is inverted. How does your answer to part (b) change?

- Bar magnet Wire loop Figure P21.29

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