Pairs of forces of equal magnitude act on identical cylinders as ...

[mwit1967]

Pairs of forces of equal magnitude act on identical cylinders as shown in the figures. In which example is the cylinder in translational and rotational equilibrium?
   
  a.
 
   
  b.
 
   
  c.
 
   
  d.
 
   
  e.
 

Question 2

One of the curators at the art museum is tilting a large cylinder backward. At what angle will the cylinder of height h and radius r be in unstable equilibrium?
 
   

   
  a.
  .
   
  b.
  .
   
  c.
  .
   
  d.
  .
   
  e.
  .

[stillxalice]

Answer to Question 1

b

Answer to Question 2

c

[mwit1967]

Both answers were spot on, thank you once again

[stillxalice]

Great! Please up vote