(Solution Download) You have a horizontal grindstone (a disk) that is 89 kg, has a0.38 m radius, is turning at 85 rpm (i
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You have a horizontal grindstone (a disk) that is 89
kg, has a0.38 m radius, is turning at 85 rpm (in
the positive direction), and you press a steel axe against the edge
with a force of 21 N in the radial direction.
Randomized Variablesm = 89
r = 0.38 m
f = 85 rpm
F = 21 N
Part (a) Assuming that the kinetic coefficient
of friction between steel and stone is 0.20, calculate the angular
acceleration of the grindstone in rad/s2.
Part (b) What is the number of turns, N, that
the stone will make before coming to rest?
This question was answered on: Oct 24, 2017
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