Draw the direction and magnitude of all the forces

prabhjyot
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please help urgent

Draw the direction and magnitude of all the forces acting on the block of mass m when it is: Sliding on a concave surface with velocity, V.
 

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thankyou
 
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When's your homework due by :smile:

edit: to be more helpful... you may want a bit of gravity, possibly a normal force, a bit of friction, centripetal...
 
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To solve this, I first used the units to work out that a= m* a/m, i.e. t=z/λ. This would allow you to determine the time duration within an interval section by section and then add this to the previous ones to obtain the age of the respective layer. However, this would require a constant thickness per year for each interval. However, since this is most likely not the case, my next consideration was that the age must be the integral of a 1/λ(z) function, which I cannot model.
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