help needed in M1

[akbararshad]

can anyone plz explain me da concept of workdone by da driving force !!!

 

[ahmed t]

simple formula
workdone by driving force=(gain in Pe and Ke or loss)+ work done against resistance

wen there is loss in ke or pe the value is negative

u can solve alot of questions with this formula

 

[akbararshad]

like if dres a loss in ke or pe den we wud subtract it from da work done against resistance..... ryt?

 

[ahmed t]

yup
and if there is a gain u make it positive and plus it to the resistance

 

[akbararshad]

okay thnx alot bro