1. The SI unit of force is   joule   dyne   newton   pascal   Hint Half-n-half Clue   2. The gravitational force acting on an object is called its   mass   density   weight   momentum   Half-n-half Clue   3. Momentum is defined as   mass × velocity   force × distance   mass × acceleration   mass × velocity2   Half-n-half Clue   4. Force is defined as   mass × velocity   pressure / area   mass / volume   mass × acceleration   Half-n-half Clue   5. The approximate weight (on Earth) of a mass of 5 kg is   50 N   0.5 N   500 N   5000 N   Half-n-half Clue   6. The resistance offered by an object to an applied force is referred to as   reaction   potential   friction   inertia   Half-n-half Clue   7. The SI unit of momentum is   Pa s   N s   N/s   kg m/s2   Half-n-half Clue