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phyz
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Homework Statement
A wedge slides down a frictionless inclined plane that makes angle with the horizontal. A small block is placed at the horizontal top side of the wedge. During the slide, the block does not move relative to the wedge. Find the minimum possible coefficient of static friction µs between the block and the wedge.
Homework Equations
us=fsmax/Fn uk=Fk/Fn
Fn=mg
Fnet=ma
The Attempt at a Solution
i cannot seem to figure out a way to start.
the only variable that would be given is gravity and i can't seem to derive an equation that would make me find another variable. I drew an fbd but it cannot be displayed here.
Given: g=9.8m/s