Physics Unit9: Static Equilibrium, Elasticity and Fracture (id: 929f00373)

本题目来源于试卷: Physics Unit9: Static Equilibrium, Elasticity and Fracture，类别为 通用国际物理

[单选题]
A lever is 5.0 m long. The distance froq;d8zqaw cn p22l zb, -nn1j-km the fulcrum to t7/l ;qc4pd:dqojy3/+ loun c xhe weight to be lifted isl7q+ dluj/3 co:/;4ncqxyd po 1.0 m. If a worker pushes on the opposite end with 400 N, what is the maximum weight that can be lifted?

A. $80 \; N$
B. $100 \; N$
C. $1600 \; N$
D. $2000 \; N$


参考答案:  C


本题详细解析: 暂无

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