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8. Numerical problems (a) Hani drags a load of 60 kg along a distance of 12m. What amount of work does he do ? Also mention the type of work. salur​

Respuesta :

  • Mass=m=60kg
  • Acceleration due to gravity=g=10m/s^2
  • Distance=d=12m
  • Force=F
  • Work done=W

Applying Newton's law

[tex]\\ \sf\longmapsto F=mg[/tex]

[tex]\\ \sf\longmapsto F=60(10)[/tex]

[tex]\\ \sf\longmapsto F=600N[/tex]

Now

[tex]\\ \sf\longmapsto W=Fd [/tex]

[tex]\\ \sf\longmapsto W=600(12)[/tex]

[tex]\\ \sf\longmapsto W=7200J[/tex]

  • Positive work done
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