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The curved sides of a track where bicycles race (a
velodrome)
is angled rather steeply. Sketch a cross-section of a bike
at some
point along this curve, and beside it make the free body
diagram
of the bike at that moment. Neglect air resistance, and
any forces
that go perpendicular to the paper (such as those which
go in
the direction of the bike's motion).

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