Forces and Trajectories in Football

The video tutorial introduces a lab activity called 'Throw That Football' to teach students about balanced forces. It explains that when an object remains at rest, equal and opposite forces are acting upon it. The lab involves throwing footballs to explore the forces at play when a football is thrown, in the air, and caught. Students are encouraged to investigate and discuss the forces involved, with a focus on understanding why the ball falls and what affects its trajectory. The session concludes with a discussion on the findings and encourages students to enjoy the learning process.

What is the main objective of the 'Throw that Football' lab?

• To measure the speed of a thrown football.

• To learn how to throw a football accurately.

• To understand the concept of balanced forces.

• To practice catching a football.

What is the inquiry question for the lab?

• How far can a football be thrown?

• What is the best angle to throw a football?

• What are the forces acting on a football during a throw?

• How does a football spin in the air?

When a quarterback is preparing to throw, what keeps the ball in his hand?

• The weight of the ball.

• The force of his grip.

• The air pressure around the ball.

• The angle of his arm.

What happens to the football once it leaves the quarterback's hand?

• It immediately falls to the ground.

• It spins in place.

• It follows a parabolic trajectory.

• It travels in a straight line.

What should students do first in the lab activity?

• Measure the distance of the throw.

• Answer the inquiry question.

• Throw the footballs.

• Discuss their conclusions.

How long should students spend figuring out the forces on the footballs?

• 15 minutes

• 20 minutes

• 10 minutes

• 30 minutes

What is one of the discussion points after the lab activity?

• The speed of the throw.

• The forces acting on the footballs.

• The size of the footballs.

• The color of the footballs.

Why does the football start to fall after being thrown?

• Because it loses speed.

• Due to the spin of the ball.

• Due to gravity.

• Because of air resistance.

What factors can affect how far a football travels?

• The color of the football.

• The angle of the throw.

• The type of football used.

• The weather conditions.

What is the final step in the lab activity?

• Throwing the footballs again.

• Discussing the conclusions.

• Measuring the distance of the throws.

• Watching a video demonstration.