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  3. a) if energy is not a vector, what is the diffwrne

a) if energy is not a vector, what is the diffwrneve between a \"+\" work and a...

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Physics

a)if energy is not a vector, what is the diffwrneve between a \"+\"work and a \"-\" work?

b) Give an example of a system in which the total energy isconstant, yet energy is transferred by work

c) An onjevg slides across a surface. there is frictionbetwren the objecy and the surface. explain why the work done byfriction misg be included on the right side of the equations deltaE = W even if borh the objecg and the surface are included in thesystem used to analyze the situation.

d) do you supoise that the force between two magnegs would beconservative? Explain your reasoning

Answer & Explanation Solved by verified expert
4.4 Ratings (900 Votes)
a We know that work done WForce displacement when the displacement is along the direction of force then the work done is said to be positive but if the displacement is opposite to the direcdire of force then the work    See Answer
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