A construction crane weighing 16,000 lbf fell from a height of 500 ft to the street below during a severe storm. For g = 32.05 ft/s², determine the mass, in lb, and the change in gravitational potential energy of the crane, in ft-lbf. Part A Your answer is correct. Determine the mass, in lb.

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Work and Heat Transfer

It is generally related to thermal engineering which tells about the use, creation, conversion and transfer of heat energy between the systems. It is also considered that to transfer heat from one source to another, transfer of masses is also required. There are various mechanisms by which, transfer of heat takes place i.e. thermal conduction, convection, radiation or by change of phase. All these mechanisms have their own specific features which sometimes occur simultaneously within the same system.