The diagram shows a system equilibrium with the uniform rule
supported at a and resting
horizontally
The rule is im long
god
weighs 18 N. Calculate the
weight of the block X.

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i just did this and got a 100.

i don’t know what the answer is i wish i

t = 1/400 h   ⇔ 0.0025 h ⇔ 9s ⇔ 0.15 m

any of the answers are correct.