Question

Define thrust please give me answer

Answer 1

Thrust is a reaction force described quantitatively by Newton's third law. When a system expels or accelerates mass in one direction, the accelerated mass will cause a force of equal magnitude but opposite direction on that system. 

Answer 2

hey mate here is ur ans

thrust is a perpendicular force on an object
which when acted on a given area exerts pressure

thrust =force *area

hope it helps you