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A heavy box of mass 20 kg is placed on ...

A heavy box of mass 20 kg is placed on a horizontal surface . If coefficient of kinetic friction between the box and the horizontal surface is 0.25, calculate the force of kinetic friction Also calculate acceleration produced under a force of 98 N applied horizontally ?

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The situation is shown in ure. In the vertical directioin there is no acceleration so
N=mg
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HC VERMA-FRICTION-Exercises
  1. A heavy box of mass 20 kg is placed on a horizontal surface . If coef...

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  2. A body slipping on a rough horizontal plane moves wioth a deceleationo...

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  3. A block is projected along a rough horizontal road with a speed of 10 ...

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  4. A block of mass m is kept on a horizontal table. If the static frictio...

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  5. A block slides down as incline of 30^@ with the horizontal. Starting ...

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  6. Suppose the block of the previous problem is pushed down the incine wi...

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  7. A body of mass 2 kg is lyign on rough inclined plane of inclination 3...

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  8. A body of mass 2 kg is lying on rough inclined plane of inclination 3...

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  9. In a children park an inclined plane is constructede with an angle of ...

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  10. A wheel is spinning at 2 radians/second. How many seconds will it take...

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  11. The angle between the resultant contact force and the normal force exe...

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  12. Consider the situation shown in figure. Calculate a. the acceleration ...

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  13. If the tension in the string in the figure. Is 16 N and the accelerati...

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  14. The friction coefficient between the table and the block shown in figu...

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  15. In the section 3.7.3 (Banking of road) we have not included the fricti...

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  16. The friction coefficient bettween an athelete's shoes and the ground i...

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  17. A car is going at a speed of 21.6 km/hr when it encounters a 12.8 m lo...

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  18. A car starts from rest on a half kilometer long bridge. The coefficiet...

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  19. Figure shows tow blocks in contact sliding down an inclined surface of...

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  20. Two masses M1 and M2 are connected by a light rod and the system is sl...

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  21. A block of mass M is kept on as rough horizontal surface. The coeffici...

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