1. Which law explains why passengers fall backward when a bus starts suddenly?
2. The acceleration of a body increases when,
3. Which quantity is directly proportional to force?
4. When a rug is shaken, dust falls off due to
5. A heavier body has more
6. Which law explains the motion of rockets?
7. If no external force acts on an object, it will
8. Which of the following is a vector quantity?
9. The SI unit of mass is
10. When mass decreases, acceleration
11. Which law is applied when we walk on the ground?
12. The resistance of a body to change its motion is called
13. A ball thrown upward slows down due to
14. Which of the following is NOT a vector quantity?
15. The rate of change of momentum is equal to
16. When a person jumps off a boat, the boat moves backward due to
17. Acceleration is zero when
18. Which quantity depends on both mass and velocity?
19. Which law explains why we cannot move a wall by pushing it?
20. A rolling ball eventually stops due to
