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A wooden plank rests in equilibrium on two rocks on opposite sides of a narrow stream. Three forces P, Q and Ract on the plank. P RA plank Q How are the sizes of the forces rela…

A wooden plank rests in equilibrium on two rocks on opposite sides of a narrow stream. Three forces P, Q and Ract on the plank. P RA plank Q How are the sizes of the forces rela…
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A wooden plank rests in equilibrium on two rocks on opposite sides of a narrow

stream. Three forces P, Q and Ract on the plank.
P
RA
plank
Q
How are the sizes of the forces related?
AP+ Q = R
BP+R =
CP= Q = R
DP= Q +R

User Arlyn
by
7.8k points

1 Answer

6 votes

Answer: P+R = Q

Explanation: upward forces = downward forces

User SteeveDroz
by
7.8k points
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