Question

1. Three blocks A, B and C, of mass 6.0 kg, 10.0 kg and 9.0 kg respectively, are
connected using light inextensible strings passing over frictionless pulleys, as
shown below. The coefficient of friction between block B and the table is 0.2.
If the system is not at rest:

[2]
a) Draw a free body diagram of block B.
b)
i) Show that the tension between blocks A and B is:
TA = ma(a +9)
where ma is the mass of block A and a is the acceleration of the system.
[5]
ii) Derive a similar expression for the tension between blocks B and C. [4]
c) Calculate the following:
i) the acceleration of the system (hint: use your diagram from part a) and
the expressions derived in part b))
ii) the magnitude of the tension between blocks B and C.
[2]​

Answer 1

Answer:

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Explanation:

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