2- In the system given in the figure, the mass of A is 4 kg andthe mass of B is 3 kg. The reel is in the shape of a homogeneouscylinder. The reel has a radius of 0.1 m and a mass of 2 kg. Thekinetic friction coefficient on the table surface is 0.2.
a) With what acceleration does the system move whenreleased?
b) What are the tensile forces on the rope connecting the A and Bmasses?
c) What is the speed of mass A when mass B goes down 0.2 m?
d) What is the angular velocity and angular acceleration of thepulley when the mass B descends 0.2 m?
e) By removing the pulley from its place and assembling a pulleywhose moment of inertia is unknown, the masses are released. It isobserved that the B mass descends 0.6 m in 0.5 s. In this case, howmany kg m2 is the moment of inertia of the reel?
(Not: Neglect the friction on the roller.)
A B
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