Answers)
1. Motion is the ______ in position of an object with time.
Answer: change
2. The study of motion is called ______.
Answer: kinematics
3. A body is said to be at rest if it does not change its ______.
Answer: position
4. The total path travelled by a body is called ______.
Answer: distance
5. The shortest path between two points is called ______.
Answer: displacement
6. Distance is a ______ quantity.
Answer: scalar
7. Displacement is a ______ quantity.
Answer: vector
8. A scalar quantity has only ______.
Answer: magnitude
9. A vector quantity has magnitude and ______.
Answer: direction
10. The SI unit of distance is ______.
Answer: metre
, 11. The SI unit of time is ______.
Answer: second
12. Speed is distance travelled per unit ______.
Answer: time
13. Velocity is displacement per unit ______.
Answer: time
14. Speed is a ______ quantity.
Answer: scalar
15. Velocity is a ______ quantity.
Answer: vector
16. The SI unit of speed is ______.
Answer: m/s
17. The SI unit of velocity is ______.
Answer: m/s
18. The SI unit of acceleration is ______.
Answer: m/s²
19. Acceleration is the rate of change of ______.
Answer: velocity
20. Negative acceleration is called ______.
Answer: retardation