A balanced lever has two weights on it, the first with mass 8 kg 8kg and the second with mass 24 kg24kg. If the first weight is 2 m2m from the fulcrum, how far is the second weight from the fulcrum?
1 Answer
Mar 20, 2016
Since the lever is balanced, the sum of torques is equal to 0
Answer is:
Explanation:
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: