zbdu6jgjef zbdu6jgjef

28-01-2021
Physics

contestada

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

Respuesta :

chloenataliewong chloenataliewong

06-02-2021

Answer: P+R = Q

Explanation: upward forces = downward forces

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