Gravity, non-contact force that attracts objects to each other., Mass, is the amount of matter or ‘stuff’ in an object., Kilogram, Unit of measurement of mass., Weight, pulling force of gravity, Newton, Unit of measurement of Weight, Beam Balance, Instrument used to measure Mass, Spring Balance, Instrument used to measure weight.

Down Force: Gravity

由
列印
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?