YOU SAID:

a body in motion stand to stay in motion, while body at rest stand to stay at rest unless acted upon by an external force.

INTO JAPANESE

動いている物体は動き続けるために立っており、静止している物体は外力の影響を受けない限り静止しているために立っています。

BACK INTO ENGLISH

A moving object stands to keep moving, and a stationary object stands to stand still unless it is affected by an external force.

INTO JAPANESE

動く物体は動き続けるために立ち、静止する物体は外力の影響を受けない限り静止します。

BACK INTO ENGLISH

Moving objects stand to keep moving, and stationary objects stand still unless affected by external forces.

INTO JAPANESE

動く物体は動き続けるために立ち、静止する物体は外力の影響を受けない限り静止します。

BACK INTO ENGLISH

Moving objects stand to keep moving, and stationary objects stand still unless affected by external forces.