Question

when we take the change in internal energy as zero

Answer 1

when the sum of kinetic and potential energy of a body is 0 then the internal energy is also 0

Answer 2

$\huge\red{As-Salamu-Alykum}$

_______________

Internal energy is the total energy contained by a system .

SO ......

Internal energy will be zero when Kinetic and potential energy of A system is zero

_______________

$\huge\pink{INSHALLAH it will help U}$