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

بواسطة
طباعة
تضمين

لوحة الصدارة

النمط البصري

الخيارات

تبديل القالب

استعادة الحفظ التلقائي: ؟