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Question

1. (a) What is the difference between kg-mass and kg-force?

(b) Is the weight of a system an extensive or intensive property?

(c) The average body temperature of a person rises by about 2°C during strenuous

exercise. What is the rise in the body temperature in (1) K, (2) °F, and (3) R during

strenuous exercise?

(d) If the pressure inside a rubber balloon is 1100 mm Hg, what is this pressure in

pounds-force per square inch (psi)?

Fig: 1