Two connected crates with masses 4 kg and 6 kg, sit on a frictionless surface. A woman pulls horizontally on the 6 kg crate with a force that gives the crate an acceleration of 2 m/s2. Find the tension T in the rope. a. 6 N b. 7 N c. 4 N d. 8 N A man (m = 75 kg) is inside an elevator that is moving upward with acceleration 2 m/s2. What is the normal force on the man? Neglect friction. a. 585 N b. Cannot tell c. 735 N d. 885 N