1. The SI unit of force is   pascal   dyne   newton   joule   Hint Half-n-half Clue   2. If an object of mass 10 kg starts from rest and attains a velocity of 10 m/s after 5 s, then the force acting on it is   2 N   20 N   50 N   50 N   Half-n-half Clue   3. Momentum is defined as   mass × velocity   force × distance   mass × acceleration   mass × velocity2   Half-n-half Clue   4. An object will weigh more at the poles than at the equator.   True   False   5. Which is the odd one out?   force   momentum   mass   acceleration   Half-n-half Clue   6. The resistance offered by an object to an applied force is referred to as   reaction   inertia   potential   friction   Half-n-half Clue   7. The gravitational force acting on an object is called its   momentum   density   mass   weight   Half-n-half Clue