8. An example for periodic motion

Heart beat

9. An example for non- liner motion.

The motion of a falling leaf

10. Fast oscillations are referred to as ……….

Vibrations.

11. What type of motion does the pulley experience when we draw water using it ?

Rotatory motion

12. The motion of dripping rain drops.

Liner motion.

13. When the number of teeth of gear increased the speed of rotation……..

Decreases

14. An equipment which make use of the benefit of gears.

Cycle

15. …… work using the power of wind.

Wind mills.

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