The block of mass 2,2716%) kg has an acceler ation of 3.7 rn/s2 as shown. F (1 ( 2.27169 kg :1 What is the magnitude of F? Assume the acceleration due to gravity is 9.8 m/s2 and the surface is frictionless. Answer in units of N. Four forces act on a. hotair balloon, as shown from the side. 544 N 937 N 203 N 274 N Find the magnitude of the resultant force on the balloon. Answer in units of N. 009 (part 2 of 2) 10.0 points Find the direction of the resultant force (mea sured from the 937 N force, with up positive). Answer in units of . Consider a man standing on a scale which s placed in an elevator. When the elevator is stationary, the scale reading is S's. Scale Find Sup, the scale reading when the el- evator is moving upward with acceleration a = g j, in terms of Ss. 1. Sup = 0 m/s2 2. Sup = Ss 3. Sup Ss 4. Sup = Ss 5. Sup = 25s 6. Sup = Ss 7. Sup = SsTwo boxes of masses m1 and m2 are de- scending vertically at a constant acceleration a = -; they are attached by a string of negli- gible mass and the upper box is attached to a second string. 2 What is the tension in the string that runs between the lower box of mass m2 and the upper box of mass m1 in this situation? 1. (m1 + m2) g since the string supports both masses. 2. 7 mag 3. mag 4. m2g 5. m2g 6. (m1 + m2) g 7. M29 8. The system is falling and each mass has an acceleration of , so the tension in the string joining the masses must be zero. 9. m2g