(a) Newton's 1st law explain about ..? (b) Every action force has opposite reaction force but they were not equal in magnitude. True or False? (c) An object of mass 2kg is pulled horizontally with a force of 10 N. If the force is doubled the acceleration of the object is..? (d) Your mass is 60 kg and you are standing on a weighing machine, which is inside an elevator. The elevator started accelerating up with an acceleration 0.5m/s^2. What will be the reading of your weight on the weighing machine while accelerating up? O (a) Force, (b) False, (c) Same as initial value, (d) 618.6 N O (a) acceleration, (b) True, (c) half of initial value, (d) 670 N O (a) Inertia, (b) False, (c) double of initial value, (d) 618.6 N O (a) Weight, (b) False, (c) double of initial value, (d) 670 N