20. When one object exerts a force on another
(A)action-reaction forces (
(B)balanced-unbalanced forces
(C)friction-drag forces (
(D)positive-negative forces

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統計： A(13), B(6), C(12), D(9), E(0) #1342061

詳解 (共 1 筆)

#5763885

20. When one object exerts a force on another
當一個物體對另一個物體施加力時
(A) action-reaction forces 作用-反作用力 
(B) balanced-unbalanced forces
(C) friction-drag forces 摩擦阻力 
(D) positive-negative forces

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