AP Physics 1easymcq1 pt
A 4.0 kg mass hangs 2.0 m from a pivot on one side of a seesaw. What mass 1.0 m on the other side balances it?
A.8.0 kg
B.2.0 kg
C.4.0 kg
D.16 kg
Explanation
Core Concept
Torque balance: (4.0)(2.0) = m(1.0), so m = 8.0 kg.
Correct Answer
A8.0 kg
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