Which of the statements A–D is false?
A. Kelvins are units of temperature on an absolute scale
B. One kilogram exerts a force of one newton.
C. Energy can be defined by the potential to do work.
D. Base units in the SI system include kilograms, meters and seconds.
E. None of the statements are false.
A. Incorrect. This statement is true. The kelvin “scale” is the SI scale of absolute thermodynamic temperature, as opposed to the Celsius.
B. Correct. Force and mass are fundamentally two different properties. The force of gravity on a one kilogramobject is equal to 9.81 N on Earth. This is sometimes called the kilogram-force or kgf. In a different gravitational field a 1 kg object would have a different gravitational force.
C. Incorrect. This statement is true. At the beginning of Section 1.4 we noted that the potential to do work is what makes various forms of energy recognizable as energy.
D. Incorrect. This statement is true. Other units, like pascals, that can be derived from these are also considered SI units.
E. Incorrect. Check again. One of the statements is false.
You might also like to view...
__________ are temperature sensors that work off the principle of a small DC millivoltage generated when the junction of two dissimilar metals are heated.
A. Thermocouples B. RTDs C. Thermistors D. IR temperature sensors
What type of loads are superimposed on the building through its use?
A. seismic B. dynamic C. dead D. live
Impact force of a 200 pound person falling 6 feet is 22.2 kN.
Answer the following statement true (T) or false (F)
What operational hazard can cause corrosion?
A. Breakthrough B. Channeling C. Fouling D. Equipment leakage