2. A massless string connects two blocks over a frictionless pulley, as shown in the diagram. 0.80 kg Hx = 0.14 600 Hx = 0.142.0 kg a. Determine the acceleration of the blocks. b. Calculate the tension in the string. c. If the string broke, for what minimum value of the coefficient of static friction would the 2.0-kg block not begin to slide? Use the grasp method to determine the answer

3. Two blocks A and B are connected by a rope and pulled with some force F along a frictionless horizontal surface, as shown. B a. Draw a free-body diagram for each block. b. Write Newton's second law for each block and obtain equations for the x and y directions. c. If the tension in the rope is given by T = F/3, find the ratio of the masses, ma/mg.

3. Consider an inclined plane with two balls suspended as shown below. The pulley has negligible mass and both the pulley and the surface of the incline are frictionless.a. If one of your classmates calculated that, once released, the acceleration of the blocks would be 43?, without doing any calculations, say whether or not this could be a reasonable value for the acceleration.b. Draw and label a free body diagram (FBD) for each ball. (Don’t break any forces into components for the FBDs—save that work for the next question. Be sure your drawings show clearly any information you know about the directions and relative magnitudes of the forces.) Rank the relative magnitudes of all forces in your FBDs. (I’m looking for a single ranking that includes every different force in both FBDs, separated by <, >, or =.)Ball A: Ball B:relative sizes of the magnitudes of all forces in FBDs:__________________________________________________________________c. Use the FBDs from the previous…

1a. If the far end of the track is raised (the side farthest from the pulley), how does the problem change? Find an expression for the acceleration. Can the system be balanced such that the masses don't move? 1b. If the end of the track near the pulley is raised, how does the it affect the previous equations? Find an expression for the new acceleration. Can the system be balanced such that the masses don't move?