Question

6. When a brick is gently placed over the piston:
a. The piston moves up
b. The piston moves down
c. The piston remains static
The piston first moves down and then
goes up
- Wohl.:​

Answer 1

When a brick is placed on the Piston then it goes down for a while until a new equilibrium is attained.

Answer 2

Due to the large inertia of the brick, the piston having less inertia goes down.

(assuming that the barrel is empty or it reaches until the stage till it can't go further and attain a equilibrium)

Hope it helps you..

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