Question

3. Convert the value of 10 joule on a system which
has 10 grams, 10 cms and 10 seconds as
fundamental units
.
​

Answer 1

10^-7 erg is your answer

The system which you are referring is happen to be CGS system. And the CGS unit of work is Erg. And 1 Joule is 10^-7 erg