PE Biomechanics Quiz

What happens when you lower the Center of Gravity (COG)?

• Increases stability

• Decreases stability

• Increases speed

• Has no effect on stability

Which factor does NOT directly impact balance?

• Coordination

• Wind

• Base of Support (BOS)

• Line of Gravity (LOG)

What does Newton's First Law state?

• Force applied to an object produces acceleration

• Lowering the COG increases stability

• For every action, there is an equal and opposite reaction

• An object at rest stays at rest; an object in motion stays in motion unless acted upon by an external force

Which of the following enhances force production?

• Incorrect order of body parts

• Larger range of motion

• Smaller muscles

• Lowering the COG

What influences the trajectory of a projectile?

• Coordination

• Base of Support (BOS)

• Newton's Third Law

• Angle, Height, Speed of Release

Which of the following does NOT affect the stability of an object?

• Height of the Center of Gravity (COG)

• Mass of the object

• Color of the object

• Base of Support (BOS)

What is the effect of increasing the Base of Support (BOS)?

• Decreases stability

• Increases stability

• Increases speed

• Has no effect on stability

Which principle is described by Newton's Third Law?

• Force applied to an object produces acceleration

• Lowering the COG increases stability

• For every action, there is an equal and opposite reaction

• An object at rest stays at rest; an object in motion stays in motion unless acted upon by an external force

What is the effect of increasing the mass of an object on its stability?

• Increases stability

• Decreases stability

• Has no effect on stability

• Increases speed

Which of the following factors affects the speed of a projectile?

• Mass of the object

• Angle of release

• Color of the object

• Base of Support (BOS)