Mathematical formulas

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Subjects
Basic Physics
Work, energy and power
Work of kinetic friction

6. Work, energy and power

Work of kinetic friction

In 6. Work, energy and power

Formula

W_{f} = - f_{k} d

For motion on a flat surface with constant friction

W_{f} = - μ_{k} N d

Related formulas

Related
Kinetic friction
$f_{k} = μ_{k} N$
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Related
Energy with non-conservative forces
$K_{i} + U_{i} + W_{nc} = K_{f} + U_{f}$
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