1. An 88.3-kg refrigerator rests on the floor. How much work is required to move it at constant speed for 2 23 m along the floor against a friction force of 216.1 N? 

2. A hammerhead of mass in - 2.35 kg is allowed to fall onto a nail from a height h = 0.595 m. Calculate the maximum amount of work it could do on the nail.  

 

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1 To find the work required to move the refrigerator at a constant speed against friction we first n... View the full answer