1. The center of gravity of a thin rectangular metal plate is at the   one of the vertices.   midpoint of the longer side.   midpoint of the shorter side.   intersection of its diagonals.   Hint Half-n-half Clue   2. Two equal and opposite forces acting at a point are in equilibrium.   True   False   3. 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)   will not move.   cannot be determined.   will move towards the broken vertex.   will move away from the broken vertex.   Half-n-half Clue   4. A chalkstick that is balanced upright on a table is in _______ equilibrium.   stable   neutral   unstable   Half-n-half Clue   5. A funnel lying horizontally on its side at rest on a table is in _______ equilibrium.   stable   neutral   unstable   Half-n-half Clue   6. Two forces acting at right angles, which have the same effect as a single force, are called _______.   constituents   resultants   components   Half-n-half Clue   7. A pendulum at rest is in _______ equilibrium.   neutral   unstable   stable   Half-n-half Clue