3. The system show below is in equilibrium. Calculate the force of the friction acting on block A. The mass of block A is 4.0 kg and that of block B is 5.0 kg. The angle ? is 30°.
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Given that \(T_1 = m_2 \cdot g = 5.0 \, \text{kg} \times 9.8 \, \text{m/s}^2 = 49 \, \text{N}\). Show more…
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