Yes, it does. Actually, i don't think it does. It should make the ball heavier. A ball typically has a constant volume. Adding more air into it doesn't change the volume, but the pressure increases, and you are adding mass into the ball. Adding mass into the ball does make it heavier, and it becomes denser as well. Of course, the change in mass is quite small - you'd have to pump 1.3m3 of air into the ball to increase its mass by 1 kg
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No, adding more air to a ball does not make it lighter. The weight of the ball remains the same regardless of the amount of air inside it. The only thing that changes with more air is the pressure inside the ball.
The ball will drop first because it is denser and experiences greater gravitational pull than a sheet of paper, which is lighter and more affected by air resistance.
Yes, generally lighter things are more likely to be carried into the air by things like wind or thermal air currents compared to heavier objects. This is because lighter objects require less force to lift them off the ground and they are more affected by air resistance.
To make air lighter, you can heat it up. Hot air is less dense than cold air, so it rises. When you heat the air inside a balloon, it becomes lighter than the surrounding air and causes the balloon to float upward.
A soccer ball will generally travel farther with more air pressure, as it becomes more firm and bounces better. However, too much air pressure can make the ball harder to control and may affect its trajectory. It's important to find a balance that suits your playing style.
A ping pong ball floats because it is less dense than water. The air trapped inside the ball creates buoyancy, causing it to stay at the water's surface.