Tham khảo tài liệu 'physics_test_bank_split_6', khoa học tự nhiên, vật lý phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Simpo PDF Merge and Split Unregistered Version - http 38. Block A with a mass of 50 kg rests on a horizontal table top. The coefficient of static friction is . A horizontal string is attached to A and passes over a massless frictionless pulley as shown. The smallest mass mB of block B attached to the dangling end that will start A moving when it is attached to the other end of the string is A. 20 kg B. 30 kg C. 40 kg D. 50 kg E. 70 kg ans A 39. Block A with a mass of 10 kg rests on a 35 incline. The coefficient of static friction is . An attached string is parallel to the incline and passes over a massless frictionless pulley at the top. The largest mass mB of block B attached to the dangling end for which A begins to slide down the incline is A. kg B. kg C. D. E. kg ans A 76 Chapter 6 FORCE AND MOTION II Simpo PDF Merge and Split Unregistered Version - http 40. Block A with a mass of 10 kg rests on a 35 incline. The coefficient of static friction is . An attached string is parallel to the incline and passes over a massless frictionless pulley at the top. The largest mass mB attached to the dangling end for which A remains at rest is A. kg B. kg C. D. E. kg ans D 41. Block A with a mass of 10 kg rests on a 30 incline. The coefficient of kinetic friction is . The attached string is parallel to the incline and passes over a massless frictionless pulley at the top. Block B with a mass of kg is attached to the dangling end of the string. The acceleration of B is A. s2 up the plane B. m s2 down the plane C. s2 up the plane D. s2 down the plane E. 0 ans B Chapter 6 FORCE AND MOTION II 77 Simpo PDF Merge and Split Unregistered Version - http 42. Block A with a mass of 10 kg rests on a 30 incline. The coefficient of kinetic friction is . The attached string is parallel to the incline and passes over a massless frictionless pulley