PQ Ch12

What is the primary focus of the study of statics in biomechanics?

• Objects in motion with changing velocity

• Objects or bodies in a state of constant, unchanging motion

• Objects accelerating due to external forces

• Objects experiencing rotational motion

Which of the following is NOT a factor that affects stability according to biomechanical principle 1?

• Mass

• Centre of Mass

• Base of Support

• Air Resistance

What happens to a diver's acceleration when they make contact with the water in the diving tank?

• It remains constant

• It increases

• It decreases

• It reverses direction

Which principle of biomechanics is illustrated by a football lineman crouching to lower their centre of mass?

• Principle of Maximum Effort

• Principle of Stability

• Principle of Linear Motion

• Principle of Angular Motion

What is the effect of increasing mass on an individual's resistance to a change in linear motion?

• It decreases resistance

• It has no effect

• It increases resistance

• It reverses resistance

Which of the following best describes a dynamic system in biomechanics?

• A system with constant velocity

• A system with changing rate of motion due to applied forces

• A system with no external forces

• A system in rotational equilibrium

What is the imaginary point around which an individual's mass is concentrated called?

• Base of Support

• Centre of Mass

• Line of Gravity

• Point of Equilibrium

Which stance is considered the most stable for a football lineman?

• One-point stance

• Two-point stance

• Three-point stance

• Four-point stance

What is the primary factor that causes changes in movement patterns in dynamic systems?

• Mass

• External forces

• Centre of Mass

• Base of Support

Which biomechanical principle is demonstrated when lifting heavy objects with slow, controlled movements?

• Principle of Stability

• Principle of Maximum Force

• Principle of Linear Motion

• Principle of Angular Motion