Question

the person who gives the answer fastest will be marked as brainliest

Answer 1

Answer:

optn b

Explanation:

Maximum potential energy is obtained with the brick vertical along side a=mga/2

Minimum potential energy is obtained with the brick vertical along side c=mgc/2

:. Work done=mg(a/2-c/2)

Hence, option (B) is correct.

hope it help u

Answer 2

Answer:

option b

b is the correct answer