1. A chalkstick that is balanced upright on a table is in _______ equilibrium.   stable   unstable   neutral   Hint Half-n-half Clue   2. The resultant of two forces acting at a point can be determined by using the 'Parallelogram of Forces'.   True   False   3. The point where all the _______ of an object appears to be concentrated is called its center of gravity.   density   centripetal force   centrifugal force   weight   Half-n-half Clue   4. There are fundamentally _______ kinds of equilibrium.   four   three   two   Half-n-half Clue   5. Consider a thin rectangular plastic sheet. If a small piece of the plastic breaks off at one of the vertices, then the center of gravity of the remaining plastic (with respect to the original center of gravity)   cannot be determined.   will not move.   will move towards the broken vertex.   will move away from the broken vertex.   Half-n-half Clue   6. A funnel lying horizontally on its side at rest on a table is in _______ equilibrium.   stable   neutral   unstable   Half-n-half Clue   7. Three forces in equilibrium acting at a point can be represented in magnitude and direction by the sides of a triangle taken in order.   True   False