mass = m m1 30 m2 90 meter stick 70 fulcrum The figure above shows a uniform meter stick of mass m = 6 kg balancing horizontally on a fulcrum and supporting two boxes: one of mass m, and the other of mass m2. The numbers 30, 70, and 90 give the readings (in cm) on the meter stick. If m2 = 20 kg, then what is m? 12 kg O7 kg O 13 kg O Il kg 0 6 kg O 10 kg 9 kg O 8 kg

mass = m m1 30 m2 90 meter stick 70 fulcrum The figure above shows a uniform meter stick of mass m = 6 kg balancing horizontally on a fulcrum and supporting two boxes: one of mass m, and the other of mass m2. The numbers 30, 70, and 90 give the readings (in cm) on the meter stick. If m2 = 20 kg, then what is m? 12 kg O7 kg O 13 kg O Il kg 0 6 kg O 10 kg 9 kg O 8 kg