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Two objects, A and B, hang from a system of ropes and ideal pulleys, as shown. Their masses are mA=274 kg and mB, and the angle in the diagram is ϕ=19∘.
Write the expression for mB. Your answer be in terms of mA and ϕ.

Two objects A and B hang from a system of ropes and ideal pulleys as shown Their masses are mA274 kg and mB and the angle in the diagram is ϕ19 Write the expres class=
Q&A Education