Chapter 12 Flashcards

(7 cards)

1
Q

What effect does the three point stance have on a football player’s stability?

A

It lowers the centre of mass, providing more stability.

This principle is crucial for maintaining balance during play.

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2
Q

How does a young T-ball player typically produce maximum force?

A

By standing upright, with feet planted, and swinging the bat using only the arms.

This technique can limit the effectiveness of the swing.

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3
Q

What does a proficient golfer rely on to produce maximum velocity?

A

A precisely sequenced swing, integrating leg, hip, and arm action.

This coordination helps achieve a controlled swing.

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4
Q

What is the impulse momentum principle in hitting?

A

By applying a large impulse, a hitter can strike the ball with more velocity.

This principle emphasizes the relationship between force and the resulting motion of the ball.

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5
Q

How does a soccer player change direction using force application?

A

By pushing their foot against the ground.

This action is essential for evading opponents.

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6
Q

What biomechanical principle is exemplified by throwing a curve in baseball?

A

Production of angular motion.

This principle is important for manipulating the ball’s trajectory.

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7
Q

What does conservation of angular momentum refer to in diving?

A

Divers in a state of free fall maintain their angular momentum.

This principle helps divers control their rotation during a dive.

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