Knowledge batch

26. In a pulley the circular body is

25. Compund pulley is

24. If no energy losses

23. Efficiency =

22. There are ..... tyoe of simple machine

21. Which is correct

20. Through is highest point above the rest position

19. Is a distance that a certain point in the medium has moved from its rest position

18. Rest position is undisturbed position of particle when they are not vebrating.

17. Defined as the distance b/n identical points on adjecent waves

16. A to- and -fro movement that repeat itself over and over in a fixed time interval is referred to as

15. Type of wave propagation depend on wave require medium or not

14. The material through which the sound travels and reaches your ear is called a

13. Speed of sound waves depend on

12. Constructive and destructive is tyoe of interference based on