Calculate the work needed for a 65-kg person to climb through 4.0 m on the surface of the Earth.
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work done =force × displacement
=mg×d
=65×10×4
=260×10
=2600 jouleswhen g= 10m/s²
=mg×d
=65×10×4
=260×10
=2600 jouleswhen g= 10m/s²
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