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Can someone please help me solve these dynamic mcq's with weird pulleys?
For question 22 I did 5g-12g(0.3)=14a
for 23
I don't know how to determine in which direction the friction will be acting
And what are the forces acting on A ? There's its weight, and tension, and friction, but which coefficient of friction is do I use here ? and in which direction is it working ?
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