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A force of 5 N is acting on an object. T...

A force of 5 N is acting on an object. The object is displaced through 2m in the direction of force. If the force acts on the object all through the displacement, then find the work done on the object.

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Work done on the object,
`w=Fs`
`=5Nxx2m`
`=10Nm`
`=10J`
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KUMAR PRAKASHAN-WORK AND ENERGY -QUESTION & ANSWER (TEXUTAL EXAMPLES/NUMERICALS)
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  8. A boy of mass 50 kg runs up a staircase of 45 steps in 9 s. If the hei...

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  9. An electric bulb of 60 W is used for 6 h per day. Calculate the 'units...

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  10. A force of 5 N is acting on an object. The object is displaced through...

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  11. A porter lifts a luggage of 15 kg from the ground and puts it on his h...

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  12. An object of mass 15kg is moving with a uniform velocity of 4ms^(-1). ...

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  13. What is the work to be done to increase the velocity of a car from 30k...

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  14. Find the energy possessed by an object of mass 10kg when it is at a he...

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  15. An object of mas 12 kg is at a certain height above the ground. If the...

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  16. Two girls, each of weight 400 N climb up a rope through a height of 8 ...

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  17. A boy of mass 50 kg runs up a staircase of 45 steps in 9 s. If the hei...

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  18. An electric bulb of 60 W is used for 6 h per day. Calculate the 'units...

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