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POWER

Can Power ( in mechancs ) be negative?

Note by Amlan Mishra
3 years, 8 months ago

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@anirban ghosh P=F.v is not accurate formula if u don't consider a time dependent force although ur hypothesis isn't wrong

Somesh Rout - 3 years, 7 months ago

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What do u actually mean by "a time dependent force"???

Amlan Mishra - 3 years, 7 months ago

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same thing as I was saying you. As power can be given by formula P=F.V I.E. SCALAR PRODUCT, angle between force and velocity can be 180, so power can be negative.

Anirban Ghosh - 3 years, 7 months ago

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yes,consider friction it reduces work doing tendency of a person and you can verify it mathematically

Somesh Rout - 3 years, 8 months ago

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