a wieght of 10kg mass is raised through a hieght of .8 meter from 1.5 meter to 2.3meter against force of gravity.how much energy isrequired in cals.

Answers

Answered by drwls
The work required equals the potential energy change,
Work = M*g*(change in elevation)

The change in elevation is 0.8 meters.

With mass M in kg and g in m/s^2, the answer will be in Joules.
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