Understanding Ball Dynamics

Understanding Ball Dynamics

Assessment

Interactive Video

Physics, Science

9th - 12th Grade

Hard

Created by

Olivia Brooks

FREE Resource

The video tutorial explains the physics behind how balls curve in sports like cricket and baseball. It covers the role of seams, air flow, and turbulence in influencing the ball's trajectory. The tutorial also discusses the Magnus effect and introduces a new discovery about smooth patches on baseballs that affect their curving direction. The presenter shares personal insights and demonstrates these effects using poly siren balls and footage from a baseball match.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What causes the ball with a string glued to one side to curve?

The size of the ball

The weight of the string

The turbulent air flow

The color of the ball

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the seam on a cricket ball affect its movement?

It makes the ball heavier

It creates a rough side for air turbulence

It causes the ball to spin faster

It changes the color of the ball

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the Magnus effect in baseball?

An effect causing the ball to curve due to spin

A way to make the ball heavier

A method to increase ball speed

A technique to change ball color

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is a scuff ball considered illegal in baseball?

It is too heavy

It can curve significantly

It is too light

It is too colorful

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What newly discovered effect can cause a baseball to swing in the opposite direction?

A heavier ball

A larger ball size

A smooth patch on the ball

A change in ball color

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can a smooth patch be created on a baseball?

By ensuring the axis passes through a spot far from the seam

By painting the ball

By adding weight to the ball

By increasing the ball's size

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is demonstrated using poly siren balls?

The effect of ball size

The effect of ball color

The effect of ball weight

The effect of smooth and rough patches

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