自然科学 - 2026 进行中

科目: 自然科学
级别: VI
类别: 大学生
测试题目: 英语
问题示例: A student pushes a box across a rough floor at constant speed. Which statement about the forces on the box is correct? The frictional force is equal to the applied force, The applied force is greater than the frictional force, There is no frictional force, The box has no forces acting on it