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> 质量为4 kg的物体以2 m/s的初速度做匀变速直线运动，经过2 s，动量的大小变为14 kg·m/s，则该物体（） A．所受合外力的大小可能为11 N B．所受合外力的大小可能小于3 N C．所受的冲量可能小于6 N·s D．所受的冲量可能大于18 N·s

问题：

发布时间：2020-03-13

质量为4 kg的物体以2 m/s的初速度做匀变速直线运动，经过2 s，动量的大小变为14 kg·m/s，则该物体（）

A．所受合外力的大小可能为11 N B．所受合外力的大小可能小于3 N

C．所受的冲量可能小于6 N·s D．所受的冲量可能大于18 N·s

参考答案：

提问用户：7q***HO4

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质量为4 kg的物体以2 m/s的初速度做匀变速直线运动，经过2 s，动量的大小变为14 kg·m/s，则该物体（ ） A．所受合外力的大小可能为11 N B．所受合外力的大小可能小于3 N C．所受的冲量可能小于6 N·s D．所受的冲量可能大于18 N·s

可能感兴趣的题目：

质量为4 kg的物体以2 m/s的初速度做匀变速直线运动，经过2 s，动量的大小变为14 kg·m/s，则该物体（）

A．所受合外力的大小可能为11 N B．所受合外力的大小可能小于3 N

C．所受的冲量可能小于6 N·s D．所受的冲量可能大于18 N·s