8 2. A string is able to support a hanging load of 27 kg before breaking. If an object of mass 2.0 kg attached to the string rotates in a circle of radius r 0.7 m on a frictionless horizontal table (while the other end is fixed), find the maximum speed that the string can withstand be fore breaking ブensionてCenw.petal po ce Max Speed 01 3. An object is subjected to a force F (in Newtons) F which varies with position x (in meters), as shown in the aiagram. Find the work done by the force between x 7 m and x = 12 m. 610 14 38