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What would be the work done when the for...

What would be the work done when the force on the object is zero ?

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We know work done W = F `times` s
Here F = 0 `rArr` W = 0 `times` s = 0
`therefore` The work done is zero.
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VGS PUBLICATION-BRILLIANT-WORK AND ENERGY-QUESTIONS GIVEN IN THE LESSON
  1. Observe the following examples. Are all the people mentioned in t...

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  2. Observe the following examples. How do you define work ?

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  3. What would be the work done when the force on the object is zero ?

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  4. What would be the work done when the displacement of the object is ze...

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  5. Can you give some examples, where the displacement of the object is ze...

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  6. What happens to the speed of a ball while it moves up with an initial ...

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  7. When a ball is moving up with an initial velocity, what will be its sp...

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  8. What happens to the speed of the ball during its downward motion ?

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  9. What is energy ?

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  10. How can we decide that an object possess energy or not ?

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  11. What will happens to the plate ? Why ?

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  12. What changes do you notice ? Why ?

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  13. What could be the reason ?

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  14. Where does this energy go ?

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  15. Is there any energy transfer between the object doing the work and the...

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  16. Can we do any work without transfer of energy ?

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  17. Where do we get energy from ?

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  18. Can you think of other sources of energy ?

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  19. Are there sources of energy which are not dependent on the sun ?

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  20. Do you know why a person gets tired standing at a place for a long tim...

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