Which one of the following forces cannot be e | vedclass

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(C) Potential energy is defined only for conservative forces. Conservative forces are those for which the work done in moving a particle between two p

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Frictional force

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(C) Potential energy is defined only for conservative forces. Conservative forces are those for which the work done in moving a particle between two points is independent of the path taken. Examples of conservative forces include gravitational force,electrostatic (Coulomb's) force,and spring (restoring) force. Frictional force is a non-conservative force because the work done against it depends on the path taken. Therefore,potential energy cannot be defined for frictional force.

Which one of the following forces cannot be expressed in terms of potential energy?

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