A model train with a mass of #1 kg# is moving along a track at #24 (cm)/s#. If the curvature of the track changes from a radius of #96 cm# to #180 cm#, by how much must the centripetal force applied by the tracks change?

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Answer 1 · 2016-04-25T02:06:34

#(F1)/(F2)=(r2)/(r1)#
#F1=96/180F2#

Centripetal force,
#F=(mv^2)/r#
F is inversely proportional to r , where r = radius of the track