Recent Version Comprehensive 50
Questions and Verified Answers
Acc
The subject of mechanics deals with what happens to a
body when __________ is/are applied to it.
A. a magnetic field
B. heat
C. forces
D. neutrons
E. lasers <<<ANSWER>>>Forces
________ still remains the basis of most of today's
engineering sciences.
A. Newtonian Mechanics
B. Relativistic Mechanics
C. Greek Mechanics
D. Euclidean Mechanics <<<ANSWER>>>Newtonian
Mechanics
, Evaluate the situation in which mass (kilogram), force
(N), and length (m) are the base units and recommend
one of the following.
A. A new system of units will have to be formulated.
B. Only the unit of time have to be changed from second
to something else.
C. No changes are required.
D. The above situation is not feasible.
<<<ANSWER>>>No changes are required
Give the most appropriate reason for using three
significant figures in reporting results of typical
engineering calculations.
A. Historically slide rules could not handle more than
three significant figures.
B. Three significant figures gives better than one percent
accuracy.
C. Telephone systems designed by engineers have area
codes consisting of three figures.
D. Most of the original data used in engineering
calculations do not have accuracy better than one
percent. <<<ANSWER>>>Three significant figures gives
better than one percent accuracy
For a static's problem, your calculations show the final
answer as 12345.6 N. What should you write as your
final answer?
A. 12345.6 N
B. 12.3456 kN
C. 12 kN
D. 12.3 kN
E. 123 kN <<<ANSWER>>>12.3 kN