What is happening
You arrive at a classroom tidy-up race with paperclips spilled across the floor.
The clips have to be off the floor before the bell. Each magnet picks up 3 paperclips in one sweep, and 12 clips are down there.
How many magnetsRunning
Clips lifted
27.6clips
Clips on the floor
12clips
Field coil. Magnets used at 9 magnets. Clips lifted 27.6 clips, Clips on the floor 12 clips. Currently clips lifted is over by 15.6 clips.
What has to balance