Define pressure as force per unit area; recall and use the equation P = F/A
Describe, qualitatively, motion in a circular path due to a force perpendicular to the motion as: (a) speed increases if force increases, with mass and radius constant (b) radius decreases if force increases, with mass and speed constant (c) an increased mass requires an increased force to keep speed and radius constant (F = mv²/r is not required)
Describe an experiment to demonstrate that there is no resultant moment on an object in equilibrium