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Calculate the work done by a car against...

Calculate the work done by a car against gravity in moving along a straight horizontal road. The mass of the car is 400 kg and the distance moved is 2 m.

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MBD-WORK, ENERGY AND POWER-EXAMPLE
  1. A body is being raised to height h from the surface of earth. What is ...

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  2. A body is being raised to height h from the surface of earth. What is ...

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  3. Calculate the work done by a car against gravity in moving along a str...

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  4. Give an example of scalar product.

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  5. Name the physical quantity which is expressed as product of force and ...

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  6. What is te relation between joule and kg m?

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  7. Name the physical quantity which is expressed as product of force and ...

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  8. Does the work done in raising a box on a platform depend upon how fast...

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  9. With what type of forces, potential energy is associated?

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  10. Dot product of two vectors obey law.

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  11. Since work is a scalar quantity, can it have negative value?

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  12. Fill in the blanks: is the capacity of doing work.

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  13. Work can be negative or Zero.

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  14. The kinetic energy of a body is always .

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  15. Answer carefully, with reasons :-In an elastic collision of two billia...

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  16. The collision in one dimension is also known as collisions.

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  17. What is work? What is it equal to?

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  18. A light and a heavy body have same linear momentum. Which one has grea...

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  19. What is non-conservative force?

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  20. Show that gravitational force is a conservative force.

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