1. The SI unit of moment is   N/m2   N m   N/m   Hint Half-n-half Clue   2. The moment of a force is inversely proportional to the turning effect of the force.   True   False   3. The point where all the _______ of an object appears to be concentrated is called its center of gravity.   density   weight   centrifugal force   centripetal force   Half-n-half Clue   4. The resultant of two forces acting at a point can be determined by using the 'Parallelogram of Forces'.   True   False   5. Two forces acting at right angles, which have the same effect as a single force, are called _______.   constituents   resultants   components   Half-n-half Clue   6. The center of gravity of a body is the point about which all the clockwise moments equal all the anticlockwise moments.   True   False   7. An object with a high center of gravity is more stable than an object with a low center of gravity.   True   False