As shown, SAE-10W-30 oil is pumped through an 8 m length of 1-cm-diameter drawn tubing at a discharge of 7.85 × 10^–4 m³/s. The pipe is horizontal, and the pressures at points 1 and 2 are equal. Find the power necessary to operate the pump, assuming the pump has an efficiency of 100%. Properties of SAE-10W-30 oil: kinematic viscosity = 7.6 × 10^–5 m²/s; specific weight = 8630 N/m³.

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1 cm 1 2. Pump - 8 m