Use proportionality. Calculate torques about fulcrum:
τ1 = τ2
m1gr1 = m2gr2
m1r1 = m2r2
Can use cm instead of converting to m because final answer should be in cm:
Suppose that a meter stick is balanced at its center. A 0.18 kg mass is then positioned at the 8-cm mark. At what cm mark must a 0.22 kg mass be placed to balance the 0.18 kg mass?
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What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Torque & Equilibrium concept. You can view video lessons to learn Torque & Equilibrium. Or if you need more Torque & Equilibrium practice, you can also practice Torque & Equilibrium practice problems.
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Based on our data, we think this problem is relevant for Professor Araghi's class at UIC.