Question

Fill in the blanks:
1. The S.I unit of speed is ___________________________
2. The resting position of a bob of pendulum is called _______________________position.
3. When a body does not change its position with respect to its surrounding it is said to be at_____________________________________________
4. Speed of a motor vehicle is measured by an instrument called______________________
5. Distance travelled by a vehicle is measured by an instrument called__________________
6. Time taken by a pendulum to complete one oscillation is called_____________________
7. The metallic ball used in the pendulum is called_________________________________
8. A diagram showing relationship between two variable a quantities each measured along one of a pair of axes is called____________________________
a substance whose crystals can vibrate very fast and a very precise rate is called

9. An instrument showing the time by the shadow of a pointer cast by the sun on to a graduated plate is called________________________

Answer 1

Answer:

1.MAss

Explanation:

Answer 2

Explanation:

1. meter per second

2. equilibrium position

3. Rest

4. speedometer

5. odometer

6.