2. A (50-cm x 30-cm x 20-cm) block weighing 150 N is to be moved at...

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2. A (50-cm x 30-cm x 20-cm) block weighing 150 N is to be moved at a constant velocity of 0.8 m/s on an inclined surface with a friction coefficient of 0.27. If a 0.4-mm-thick oil film with a dynamic viscosity of 0.012 Pa.s is applied between the block and inclined surface, determine the force F that needs to be applied in the horizontal direction. V = 0.8 m/s 50 cm 30 cm 150 N 20 2. A (50-cm x 30-cm x 20-cm) block weighing 150 N is to be moved at a constant velocity of 0.8 m/s on an inclined surface with a friction coefficient of 0.27. If a 0.4-mm-thick oil film with a dynamic viscosity of 0.012 Pa.s is applied between the block and inclined surface, determine the force F that needs to be applied in the horizontal direction. V = 0.8 m/s 50 cm 30 cm 150 N 20