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77. The magnitude of the acceleration of the cyclist as it moves along the horizontal
circular path is given by
v
2
/
R
, where
v
is the speed of the cyclist and
R
is the radius of the
curve.
(a) The horizontal component of Newton’s second law is
f
=
mv
2
/
R
, where
f
is the static
friction exerted horizontally by the ground on the tires. Thus,
()
(
)
2
85.0kg 9.00m/s
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This note was uploaded on 05/17/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.
 Spring '08
 Any
 Physics, Acceleration

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