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.
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Anirban Ghosh
·
3 years, 1 month 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, 1 month ago

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TopNewest@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 ago

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– Amlan Mishra · 3 years ago

What do u actually mean by "a time dependent force"???Log in to reply

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, 1 month 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, 1 month ago

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