Podcast
Questions and Answers
What is the process called when a single force is decomposed into two perpendicular components?
What is the process called when a single force is decomposed into two perpendicular components?
- Vector resolution (correct)
- Force decomposition
- Magnitude analysis
- Directional division
Which of the following is NOT one of the four characteristics of a force vector?
Which of the following is NOT one of the four characteristics of a force vector?
- Velocity (correct)
- Direction
- Magnitude
- Point of application
Which type of internal force is generated by stimulated muscle, often under volitional control?
Which type of internal force is generated by stimulated muscle, often under volitional control?
- Passive force
- Ground reaction force
- Active force (correct)
- Gravitational force
How do changes in joint angle affect the active force-generating capacity of two-joint muscles?
How do changes in joint angle affect the active force-generating capacity of two-joint muscles?
Which of the following is an example of an external force acting on the body?
Which of the following is an example of an external force acting on the body?
What is the term used to describe the phenomenon where a muscle's active force-generating capacity is reduced at shorter muscle lengths due to the overlap of the actin and myosin filaments?
What is the term used to describe the phenomenon where a muscle's active force-generating capacity is reduced at shorter muscle lengths due to the overlap of the actin and myosin filaments?
What is the primary purpose of the loose-packed positions of the major joints in the lower extremity?
What is the primary purpose of the loose-packed positions of the major joints in the lower extremity?
Which of the following is a correct definition of kinetics?
Which of the following is a correct definition of kinetics?
What is the formula for calculating the quantity of a force?
What is the formula for calculating the quantity of a force?
What is the standard international unit of force?
What is the standard international unit of force?
How are two or more collinear forces combined?
How are two or more collinear forces combined?
What is the result when two forces are concurrent (make an angle with each other)?
What is the result when two forces are concurrent (make an angle with each other)?
What do the sternal (S) and clavicular (C) portions of the pectoralis major muscle form?
What do the sternal (S) and clavicular (C) portions of the pectoralis major muscle form?
What movement can the combined action of the anterior (A) and posterior (P) parts of the deltoid muscle produce?
What movement can the combined action of the anterior (A) and posterior (P) parts of the deltoid muscle produce?
When both heads of the gastrocnemius muscle pull in lateral (L) and medial (M) directions together, what force is exerted on the Achilles tendon?
When both heads of the gastrocnemius muscle pull in lateral (L) and medial (M) directions together, what force is exerted on the Achilles tendon?
How can the resultant force of concurrent forces be determined when there are more than two forces?
How can the resultant force of concurrent forces be determined when there are more than two forces?
What is the product of a force and its moment arm that produces a torque or moment?
What is the product of a force and its moment arm that produces a torque or moment?
In terms of joint mechanics, what is torque considered as?
In terms of joint mechanics, what is torque considered as?
