WEB's

Web 1.0: This web was created only fot reading, you couldn't interact with the content you see.

Web 2.0: There the information was bidirectional. Users can create and share infomation on internet.

Web 3.0:  The programs could  understand and work the information that they  receives.

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Rich site Summary

RSS is a subscription device that provide users with frequent updates from media websites, blogs and other sources of information. RSS news feeds are convenient and time saving. Since subscribers receives the news automatically.
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PULLEYS AND COMPOUND PULLEY SYSTEMS

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1.Energy

Energy is the capacity of a body to perform transformations and do work -Form of enery                                         - Description Potential                                    Associated with the height of an object above the grand. Kinetic                                     The energy of physical movement Mechanical                              The sum of potential and kinetic energy Sound                                      The energy of sond waves,which are produced by vibrations Electrical           ...
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