# How does spin affect the trajectory of a kicked soccer ball?

The spin on a soccer ball is determined by how it is kicked. By giving the ball a spin a soccer player can cause its path through the air to curve or bend. The curving is caused by a force, called the Magnus effect, caused by the air moving over the spinning ball.

Likewise, people ask, how does spin affect trajectory?

The type of spin put on the ball affects its trajectory in the air, as well as how it bounces. First, however, we must cover the Magnus effect, which is what causes the differences in movement behavior during flight of the balls undergoing different spins.

Likewise, what is the Magnus effect in soccer? The Physics Of Soccer – The Magnus Effect When a soccer player kicks a ball off-center it causes the ball to spin. The direction and speed of the spin will determine how much the ball curves during flight. It’s the same principle as a curve ball in baseball.

Just so, why does wind have a noticeable effect on the trajectory of soccer balls in motion?

Bush says it is due to the way the surface of the ball creates motion at the “boundary layer” between the spinning ball and the air. The rougher the ball, the easier it is to create the textbook version of the Magnus Effect, with a “positive” sign: The ball curves in the expected direction.

Why does a ball spin?

So if the ball spins as it moves it’ll drag the air around it a little, which leads to air rotating around the ball, which makes the air on one side move faster than the air on the other, which leads to a lower pressure on one side compared to the other, which creates a net force, which pushes the ball around.

Pmixi

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