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Using a force of 20N, a person pushes a ...

Using a force of 20N, a person pushes a shopping cart 8 m. How much work does the person do?

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Work done by the person `=fxxd=20Nxx8m`
=160J
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S CHAND IIT JEE FOUNDATION-WORK AND ENERGY-SELF ASSESSMENT SHEET-3
  1. Using a force of 20N, a person pushes a shopping cart 8 m. How much wo...

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  2. Which of the following is a non-renewable source of-energy ?

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  3. The leaning tower of Pisa is 45 m high. A mass of 4 kg is drow from th...

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  4. Match correctly the lists of items in column l and collumn II

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  5. Answer true or false. A body can have only-one type of energy at a t...

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  6. Answer true or false. The S.I unit of energy is Joule.

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  7. Answer true or false. Water is a non-renewable source of energy

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  8. Answer true or false. An electric bulb converts heat energy into lig...

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  9. Answer true or false. Work done does not depend on time

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  10. Answer true or false. The sun is the source of most energy on Earth

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  11. Compare fossil fuels and biomass as energy resources.

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  12. Answer the following questions : Where does the kinetic energy come ...

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  13. Answer the following questions : Why are light bulbs so hot after th...

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  14. Answer the following questions : How much work had to be done to giv...

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  15. Answer the following questions : }lf the box weighs 200N, how far ab...

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  16. Answer the following questions : How is the kinetic energy of a movi...

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  17. Answer the following questions : its mass doubled

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  18. Answer the following questions : its velocity is tripled ?

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  19. Answer the following questions : A body falls freely under gravity f...

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  20. Answer the following questions : while falling

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  21. A body falls freely under gravity from rest. Name the kind of energy i...

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