1. The distance and direction of an object with respect to the reference point, at any instant of time, describes the _______ of the object at that instant of time.

2. Which of the following is a scalar quantity?

3. If the position of the object with respect to a reference point changes with time, the object is said to be in _______.

4. The SI unit of velocity is:

5. An object is said to be in motion if:

6. A person walks 50 m east and then 50 m west. What is the displacement?

7. A swimmer completes one full lap and returns to the starting point. Which statement is correct?

8. The SI unit of acceleration is:

9. A car is moving with constant velocity in a straight line. Its acceleration is:

10. If the velocity of an object decreases with time, the acceleration is: