Question

A 4 kg mass and a 1 kg mass are suspended from a  frictionless, 200g pulley of radius 10 cm, over a 60° incline as shown below.  (friction on slope: µs=0.4, µk=0.1)

What is the rate of acceleration of the 4kg mass (m/s2)?



1kg 4 kg 60
0 0
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Answer #1

1kg 4 kg As the pulli is friction less it will not apply any force in the motion at will have only rotational motion.. mglio

So, we have to deal deal only with the kinetic friction. Let us Concider tension in wire is T. so, for elkgas mass a -(0 g ma

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