Which of the following statements about joints is true? a. fixed joints have the greatest range of motion. b. most joints are joined by cartilage or connective tissue. c. they are all very flexible. d. they occur where two or more bones join.

What are the necessary conditions for fusion?

Consider a small frictionless puck perched at the top of a fixed sphere of radius r. if the puck is given a tiny nudge so that it begins to slide down, through what vertical height will it descend before it leaves the surface of the sphere? [hint: use conservation of energy to find the puck's speed as a func e conservation of energy to find the puck's speed as a function of its height at what value of this normal force does the puck leave the sphere? ] here on the puck.

The buildup of charges on an object is called