Answer:
answer is 456986973*'/96659
Answer:
F'=12.1243557 N
Step-by-step explanation:
Let the horizontal component of force he is pulling with be F' Newtons and the force applied be F Newtons.

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Hi,
L = (1/6)x - 1
P = 2x + 2L = 2x + (2/6)x - 2
P= (7/3)x - 2
x being the width.
Hope this helps!
THey tried to push but the wall doesn't move. So Nobody did any work. Everybody's work done is 0.