The cars in a soapbox derby have no engines; they simplycoast downhill. Which of the following design criteria is bestfrom a competitive point of view? The car’s wheels should(a) have large moments of inertia, (b) be massive, (c) behoop-like wheels rather than solid disks, (d) be large wheelsrather than small wheels, or (e) have small moments ofinertia.

Question

The cars in a soapbox derby have no engines; they simply
coast downhill. Which of the following design criteria is best
from a competitive point of view? The car’s wheels should
(a) have large moments of inertia, (b) be massive, (c) be
hoop-like wheels rather than solid disks, (d) be large wheels
rather than small wheels, or (e) have small moments of
inertia.

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