Question

what is weight? and it's unit?​

Answer 1

WEIGHT of an object is related to the amount of force acting on the object, either due to gravity or to a reaction force that holds it in place.

SI UNIT:- NEWTON

Answer 2

The kilogram is the SI unit of mass and it is the almost universally used standard mass unit. The associated SI unit of force and weight is the Newton, with 1 kilogram weighing 9.8 Newtons under standard conditions on the Earth's surface.