Physics
Grade-9
Easy
Question
When the pressure inside the system is smaller than the pressure outside it, the work is done ______.
- By the system
- On the system
- On the surrounding
- All of the above
Hint:
Correct answer is option 2
The correct answer is: On the system
When pressure inside the system is smaller than the pressure outside it the work is doneby the system on the system and on the surrounding.
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