A balanced lever has two weights on it, the first with mass #8 kg # and the second with mass #24 kg#. If the first weight is # 2 m# from the fulcrum, how far is the second weight from the fulcrum?
Since the lever is balanced, the sum of torques is equal to 0
Since the lever is balanced, the sum of torques is equal to 0:
About the sign, obviously for the lever to be balanced if the first weight tends to rotate the object with a certain torque, the other weight will have opposite torque. Let the masses be: