See attached file for problem 65 only.
Find the frictional force exerted on Block A given that the mass of block A is 8.50kg, the mass of block b is 2.25 kg and the coefficient of static friction between block a and the the surface on which it rests is 0.320 (b) if the mass of block a is doubled does the frictional force exerted on it increase, decrease, or stay the same. explain Picture shows block a on a table pulling block b off of the floor attached to a ring at the wall with the rope at a 45 degree angle© BrainMass Inc. brainmass.com March 4, 2021, 5:44 pm ad1c9bdddf
Please see attachment.
Let T1 and T2 are tensions in rope tiding A and B respectively.
Resolving the component horizontally and vertically
The solution explains the problem shows the formula and the workings and arrives at the answers.