When a pair of balanced forces acts on an object, the net force that results is
a. equal to zero.
b. greater in size than both forces combined.
c. greater in size than one of the forces.
d. equal in size to one of the forces.

The density of a liquid could be found by using

Asubject in a clinical research trial experiences a serious, unanticipated adverse drug experience. how should the investigator proceed, with respect to the irb, after the discovery of the adverse event occurrence? a. do not report the adverse drug experience to the irb since it is a common adverse experience.b. report the adverse drug experience to the irb only if there are several other occurrences.c. report the adverse drug experience as part of the continuing review report.d. report the adverse drug experience in a timely manner, in keeping with the irb's policies and procedures, using the forms or the mechanism provided by the irb.

Which of the following are appropriate acceleration units?