@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
·
2 years, 7 months ago

Log in to reply

@Somesh Rout
–
What do u actually mean by "a time dependent force"???
–
Amlan Mishra
·
2 years, 7 months ago

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
·
2 years, 8 months ago

Log in to reply

yes,consider friction it reduces work doing tendency of a person and you can verify it mathematically
–
Somesh Rout
·
2 years, 8 months ago

## Comments

Sort by:

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 · 2 years, 7 months ago

Log in to reply

– Amlan Mishra · 2 years, 7 months 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 · 2 years, 8 months ago

Log in to reply

yes,consider friction it reduces work doing tendency of a person and you can verify it mathematically – Somesh Rout · 2 years, 8 months ago

Log in to reply