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> 物体在恒定合外力作用下运动，则（　　） A．物体一定作直线运动 B．物体的动量变化率一定恒定 C．物体的动量增量与时间成正比 D．单位时间内物体动量的增量与物体的质量成正比

问题：

发布时间：2024-09-08

物体在恒定合外力作用下运动，则（　　）

A．物体一定作直线运动

B．物体的动量变化率一定恒定

C．物体的动量增量与时间成正比

D．单位时间内物体动量的增量与物体的质量成正比

参考答案：

提问用户：NE***yLu

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物体在恒定合外力作用下运动，则（ ） A．物体一定作直线运动 B．物体的动量变化率一定恒定 C．物体的动量增量与时间成正比 D．单位时间内物体动量的增量与物体的质量成正比

可能感兴趣的题目：

物体在恒定合外力作用下运动，则（　　）

A．物体一定作直线运动

B．物体的动量变化率一定恒定

C．物体的动量增量与时间成正比

D．单位时间内物体动量的增量与物体的质量成正比