Physics, asked by prem93375, 2 months ago

explain why work done by friction is always negative

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Answered by ayeshasiddiquakhan17

Answer:

Statement I : A work done by the friction is always negative. Statement II : If frictional force acts on a body its kinetic energy may decrease. ... For friction, f=μN where μ is the coefficient of friction and N is the normal reaction.

Explanation:

a common defination by my maam

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explain why work done by friction is always negative​

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explain why work done by friction is always negative