work and energy - 1 | WORK INTRODUCTION | 9th physics [TM]

Other videos in this chapter

1. work and energy - 1 | WORK INTRODUCTION
work and energy - 1 | WORK INTRODUCTI...
2. Work & energy- 2 | శక్తి - శక్తి వనరులు
Work & energy- 2 | శక్తి - శక్తి వనరు...
3. Work & energy - 3 | గతి శక్తి - ఉదాహరణలు, సమీకరణం
Work & energy - 3 | గతి శక్తి - ఉదాహర...
4. స్థితి శక్తి - ఉదాహరణలు,సమీకరణం
Work & energy - 4 | potential energy,...
5. Work & energy - 5 | శక్తి నిత్యత్వ సూత్రం - ఉదాహరణలు
Work & energy - 5 | శక్తి నిత్యత్వ సూ...
6. సమస్యలు
Work & energy - 6 | సమస్యలు | 9th (PS...
   we felt that the words  work,energy, efficiency, power....etc has same meaning,but that is not correct.
what is work?
   When we applied some force on a body
      If there is any change in that body means there is change in state,change in shape ...etc
then there is work down.
     If by applying lot of force on a body but there is no change in state of body,there is no work down there.

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