Question

How do airplanes stay in air?​

Answer 1

A plane's engines are designed to move it forward at high speed. That makes air flow rapidly over the wings, which throw the air down toward the ground, generating an upward force called lift that overcomes the plane's weight and holds it in the sky. The wings force the air downward and that pushes the plane upward.

Step-by-step explanation:

Answer 2

planes stay in air because of 2 reasons :

1. Power of thier engines
2. Aerodynamics

Plane's wings are designed to push the air downwards and letting the plane to lift off and stay in air..