1. What predicts the optimum pressure for a football to make perfect passes? A.

Question

1. What predicts the optimum pressure for a football to make perfect passes?

A. Remember, as one of the first steps in planning your investigation, you may need to narrow your original question.

B. Then write a hypothesis and design an experiment to answer the question. Be sure to include all the necessary parts of an experiment, such as naming the manipulated and responding variables and identifying the variables you will control.

C. Write any operational definitions that are needed. Include a data table you could use for recording your observations.

Explanation / Answer

- Narrow investigation:

"Assume a Perfect Pass is from point A to point B with no deviation" Then, what will be the optimal pressure?

the hypothesis:

- If P is too low, then the friciton between air and ball is high, this deviates the pass

- If P is too high, the player can't grab the ball

- Note that density of air will vary as we change pressure in the ball, therefore, buoyancy is also included in the experiment.

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