# 1. A block of mass m = 5.0 kg is pulled 4.0 m along a horizontal floor by a cord that exerts a tension force of magnitude F = 65 N at an angle 0 25.0°. The coefficient of kinetic friction between the block and floor is 0.25 (a). What is the work done on the block by the tension force F (b) What is the work done on the block by the normal force. (c) What is the work done on the block by the gravitational force (d) What is the work done on the block by the kinetic friction force (e) What is the net (total work) done on the block m

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1. A block of mass m = 5.0 kg is pulled 4.0 m along a horizontal floor by a cord that exerts a tension force of magnitude F = 65 N at an angle 0 25.0°. The coefficient of kinetic friction between the block and floor is 0.25 (a). What is the work done on the block by the tension force F (b) What is the work done on the block by the normal force. (c) What is the work done on the block by the gravitational force (d) What is the work done on the block by the kinetic friction force (e) What is the net (total work) done on the block m