The Physics of Baseball

Why can't you see a force, but you can see what it does?

• Because a force is invisible, but its effects can be observed.

• Because a force is very small.

• Because a force is only in your imagination.

• Because a force is a color.

Nolan Ryan threw a ball at 108 mph. What does this number represent?

• The weight of the ball

• The speed of the ball

• The distance to home plate

• The number of pitches thrown

What three things are shown in the diagram to help explain speed?

• Distance, time, speed

• Weight, color, size

• Pitcher, batter, umpire

• Ball, glove, bat

What is the definition of "trajectory"?

• The speed of an object

• The path of an object moving through space

• The color of an object

• The weight of an object

Why does the ball soar to the outfield when the batter hits it high in the air?

• Because of its color

• Because of its trajectory

• Because of its weight

• Because of its speed

What is the effect of gravity on a baseball after it is hit?

• It makes the ball go faster.

• It makes the ball curve upward.

• It pulls the ball down to the ground.

• It makes the ball stop in the air.

Which of the following is NOT a position in baseball?

• Pitcher

• Infielder

• Outfielder

• Trajectory

How does air affect a baseball in motion?

• It makes the ball heavier.

• It can slow down or change the direction of the ball.

• It makes the ball invisible.

• It turns the ball into a base.

What is the main purpose of the "Index for Photographs" page in a document?

• To list and give credit for the images used in the lesson.

• To explain the rules of baseball.

• To provide a summary of the lesson.

• To show the answers to quiz questions.

Why is it important to include citations for images in a lesson or document?

• To give credit to the creators and follow copyright rules.

• To make the document longer.

• To confuse the reader.

• To add more pictures.