Apparatus:
double
cone,
triangular
inclined
track
Description:
Demonstrates
centre
of
mass.
Because
of
the
positioning
of
the
rolling
object
on
the
track,
the
centre
of
mass
of
the
rolling
object
is
lower
at
the
top
of
the
track
than
at
the
bottom,
and
so
the
object
rolls
uphill.