Why doensn't the stone move up all the time? Why does it fall down after reaching a certain height?

i. Will the velocity of a stone thrown vertically upwards remian constant or will it change with time? How will it change? ii. Why doesn't the stone move up all the time? Why does it fall down after reaching a certain height? iii. What does its maximum height depend on?

Why we respire all the time?

In activity 2, why does the coin become visible once the level of water reaches a certain height?

Question based on paragraph : A boy pushed his toy car on a table . The car moved ahead and stopped after travelling a certain distance . But when he kept on pushing his car , the car started moving with a uniform velocity . The boy later decided to do some adventurous activity while playing with his car , so he launched his toy car from a platform to a bucket filled with water as soon as the car landed inside the bucket , the water from the bucket splashed out and the boy enjoyed his new game .: Why did the toy car stop after travelling a certain distance ?

Why dosen't the spacecraft fall towards the Earth?

Why does this happen? Fruits, flowers fall off after a certain period of time.

According to Newton's law of gravitation, the earth's gravitational force is higher on an object of larger mass. Why doesn't that object fall down with higher velocity as compared to an object with lower mass ?

Why all apples fall vertically downward and not at an angle to the vertical. Why do they not fly off in a horizontal direction ?

According to Newton's law of gravitation,earth's gravitational force is higher on an object of larger mass.Why doesn’t that object fall down with higher velocity as compared to an object with lower mass?