Starting from rest, a 5.1-kg block slides 2.30 m down a rough 30.0° incline. The coefficient of kinetic friction between the block and the incline is µk = 0.436. (a) Determine the work done by the force of gravity. J (b) Determine the work done by the friction force between block and incline. J (c) Determine the work done by the normal force. J

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