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A book of mass 1 kg is on the floor. If the book is lifted from the floor to the top shelf which is 2 meters from the floor, how much work is done on the book?

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AniMadelo13viz
mass=1 kg
distance= 2 m
w= fd = (m)(g)(d)
=1 kg (9.8[tex]m/s^{2}[/tex])(2 m)
=19.6 kg[tex]m/s^{2}[/tex] × m
w= 19.6 joules 

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