GENERAL KNOWLEDGE

GK

GENERAL SCIENCE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which law allows for planes to fly?
A
Bernoulli’s Principle
B
Archimedes Principle
C
Charles Law
D
Law of Conservation
Explanation: 

Detailed explanation-1: -When the force of lift is greater than the force of gravity, the airplane is able to fly, and because of thrust, the airplane is able to move forward in flight. According to Newton’s third law of motion, the action of the wings moving through the air creates lift.

Detailed explanation-2: -At any given time, there are four forces acting upon an aircraft. These forces are lift, weight, drag and thrust. Lift is the key aerodynamic force that keeps objects in the air. It is the force that opposes weight and thus, the force that helps keep an aircraft in the air.

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