What is the difference between lb·mass and lb · force ?______________ A. They are the same. B. lb·mass is the unit of mass, and lb·force is the unit of weight force. C. lb·mass is the unit of weight force , and lb·force is the unit of mass. D. lb·mass and lb·force are both indicate the weight of one pound substance.

What is the difference between lb·mass and lb · force ?______________ A. They are the same. B. lb·mass is the unit of mass, and lb·force is the unit of weight force. C. lb·mass is the unit of weight force , and lb·force is the unit of mass. D. lb·mass and lb·force are both indicate the weight of one pound substance.

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter2: Matter And Energy

Section: Chapter Questions

Problem 26RQ: How many Btu of heat can be produced by 4 kWh ofelectricity?

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	A.	They are the same.
	B.	lb·mass is the unit of mass, and lb·force is the unit of weight force.
	C.	lb·mass is the unit of weight force , and lb·force is the unit of mass.
	D.	lb·mass and lb·force are both indicate the weight of one pound substance.