1. The moment of a force is inversely proportional to the turning effect of the force.   True   False   2. The SI unit of moment is   N m   N/m   N/m2   Hint Half-n-half Clue   3. A sphere that is at rest on a table is in _______ equilibrium.   neutral   unstable   stable   Half-n-half Clue   4. The point where all the _______ of an object appears to be concentrated is called its center of gravity.   centripetal force   centrifugal force   weight   density   Half-n-half Clue   5. A force of 4 N acts on a small body pushing it vertically upwards. Simultaneously, another force of 10 N acts on it pushing it vertically downwards. The resultant of the two forces is _______.   6 N downwards   14 N downwards   6 N upwards   14 N upwards   Half-n-half Clue   6. A funnel that is balanced upright on a table on its narrow tip is in _______ equilibrium.   neutral   unstable   stable   Half-n-half Clue   7. An inverted funnel placed on a table is in _______ equilibrium.   stable   neutral   unstable   Half-n-half Clue