The opposite forces of flight are equal only when a plane flies level at constant velocity. The opposite forces of flight are not always equal. For instance, as a plane climbs, its weight is equal to a portion of the lift force and a portion of the thrust force. In this situation, the opposite forces of flight are no longer equal to one another.
Becoming a Classroom Teacher in Texas. There are five requirements to become a certified teacher. 1  Obtain a Bachelorâs Degree-You must earn a bachelorâs degree from an accredited college or university.
Making the world better, one answer at a time. Answer: Texas school districts are required to provide at least 180 days of instruction (Section 25.081, Texas Education Code). However, some districts have a waiver from the Commissioner of Education allowing them to substitute a few of those days for teacher professional development days.