Push: Cutting with a lawnmower , Hitting a nail, Blowing bubbles, Walking with a shopping cart, Playing soccer, Bicycling , Pull: Walking with your dog on a wagon, Turning on the lamp, Getting a tissue paper, A magnet attracting some nails, Putting your socks on, Picking up the mail,

Force and Motion

لوحة الصدارة

النمط البصري

الخيارات

تبديل القالب

استعادة الحفظ التلقائي: ؟