[问答题]
If the acceleration o*nh 6*hgk 1g/o ,pp;zajkr u8hf7g8,3wkubq x cepw5 2ywoo. 3f an object is zero, are no forces acting on it? Explain.
参考答案: If the acceleration of an object is zero, then by Newton’s second law, the net force must be zero. There can be forces acting on the object as long as the vector sum of the forces is zero.
