Stacey4721 Stacey4721

25-06-2017
Physics

contestada

A force raises vertically a box of mass 14.0 kg through a distance of 20.0 m without causing acceleration. determine the work done on the box by the applied force. use g = 9.8 m.s-2

Respuesta :

festinger festinger

25-06-2017

For work done by the force is simply the gravitational potential energy:
[tex]E=mgh=14\times9.8\times20 = 2744J[/tex]

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