Question

when a ball is thrown vertically upwards, why does its velocity decrease​

Answer 1

Answer:

force of gravity on the ball thrown vertically upwards is in downward direction that is a opposite to the direction of motion of the balls its velocity decreases

Answer 2

Answer:

$\huge\sf{\underline{\red{Answer}}}$

$\large\pink\longmapsto$ force of gravity on the ball thrown vertically upwards in the downward direction ,i.e. , opposite to the direction of motion of the ball. Hence, velocity decreases.