(Answered) 1 a block of mass m is pulled via two pulleys as shown at

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1. A block of mass m is pulled, via two pulleys as shown, at constant velocity along a surface inclined at angle θ. The coefficient of kinetic friction is μk, between block and surface. Determine the pulling force F. Ignore the mass of the pulleys.

2. A block of mass m is lifted at constant velocity, via two pulleys as shown. Determine the pulling force F. Ignore the mass of the pulleys.

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