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What will be the work done in carrying a suitcase of 10 kg while standing on the platform ?

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To solve the question of the work done in carrying a suitcase of 10 kg while standing on the platform, we can follow these steps: ### Step-by-Step Solution: 1. **Understand the Concept of Work Done**: Work done is defined as the product of the force applied on an object and the displacement of that object in the direction of the force. The formula for work done (W) is given by: \[ W = F \cdot S \cdot \cos(\theta) ...
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MODERN PUBLICATION-WORK, ENERGY AND POWER -Revision Exercise (Very Short Answer Questions)
  1. What will be the work done in carrying a suitcase of 10 kg while st...

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  2. Does the work done in moving a body depend on the time in which t...

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  3. What is the anglee between force and displacement for maximum work ?

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  4. Can kinetic energy be negative? Explain.

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  5. Can work done by a non - conservative force be positive ?

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  6. Which physical quantity represents the area under the force displace...

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  7. The correct relation between joule and erg is

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  8. What is the work done by the sun on the earth when the earth revolve...

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  9. Can P.E. of an object be negative?

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  10. Is the mechanical energy always conserved ?

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  11. What will happen to the potential energy of an air bubble in water ...

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  12. A spring of spring constant k is cut in three equal pieces. The spring...

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  13. When is KE of a planet revolving around the sun maximum?

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  14. If K.E of a body is made three times , how will the momentum change...

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  15. If the momentum of a body is made three times , how will the kineti...

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  16. A bullet gets embedded in a wooden block. Where does its KE go?

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  17. One horse power is equal to

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  18. What is the power ? Write its dimensional formula .

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  19. How can you say that friction is a non - conservative force ?

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  20. The work done by the centripetal force in quarter revolution would be,

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