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Mathematics 8 Online
zarkam21:

C?

zarkam21:

1 attachment
Vocaloid:

good

zarkam21:

1 attachment
zarkam21:

D?

Vocaloid:

there are no surfaces in contact w/ each other so it cannot be the normal force the rock is being suspended so the top force is tension and the bottom one is gravity (your answer)

Vocaloid:

well, weight force

zarkam21:

B

Vocaloid:

good

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