What distinguishes mass from weight?

a.
mass is a measure of the amount of matter in an object, while weight is a measure of the force of gravity on the object.
b.
weight is a measure of the amount of matter in an object, while mass is a measure of the force of gravity on the object.
c.
mass is a measure of an object's inertial force, and weight is the force exerted by that object on other objects.
d.
mass and weight are synonyms and ultimately describe the same principle.

What should the power status of a circuit be when measuring resistance with an ohmmeter?

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.

Two forces produce equal torques on a door about the door hinge. the first force is applied at the midpoint of the door; the second force is applied at the doorknob. both forces are applied perpendicular to the door. which force has a greater magnitude?