Question #24

Three identical magnets, the orange rectangles, are stuck to a magnetic stainless steel disc as shown in the photograph below.

The disc will now be rotated, slowly at first and then at a faster and faster angular speed.

In what order will the magnets fly off the disc?

• (a) outer, middle, inner.
• (b) inner, middle, outer.
• (c) all at the same time.

Click here for Answer #24 after August 7, 2000.

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