A rope is used to pull a 456 kg block at constant speed 547, Ask an Expert

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A rope is used to pull a 4.56 kg block at constant speed 5.47 m along a horizontal floor. The force on the block from the rope is 7.04 N and directed 24.2Â° above the horizontal. What are

(a) the work done by the rope's force,

(b) the increase in thermal energy of the block-floor system, and

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