Our club built a small cart which uses a safe motor. We changed one wheel and kept the same battery. The cart moved more smoothly in our second test. We wrote down the result before changing anything else. Can you tell me how the motor works? We will ask our teacher before the next test.

تقبل صياغات مختلفة صحيحة تحقق المطلوب؛ لا يشترط نسخ النموذج. لا تجمع بيانات شخصية.