1 The rope shown in the figure attached hereto is wound around a cylinder of of mass 4.0 kg, radius 10cm and
I=0.020kgm2
, where
I
is the moment of inertia about an axis along the cylinder axis. If the cylinder rolls without slipping, what the linear acceleration of its centre of mass?
Click here to see exhibit
6.7m/s2
3.3m/s2
11.2m/s2
1.5m/s2
2 The frictional force between the block and the table is 20 N. If the moment of inertia of the wheel is
4.0kgm2
, find how long it will take the block to drop
60cm
after the system is released.
Click here to see exhibit
7.37 s
1.34 s
3.71 s
4.22 s
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