In a real machine, the AMA is always the IMA.

What color would an object that reflects green and blue light appear to be in white light? a. blue b. cyan c. magenta d. black

In a system, when potential energy decreases, then entropy also decreases. true false

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?