Podcast
Questions and Answers
What is the unit for velocity?
What is the unit for velocity?
- m/s (correct)
- m
- degree
- N
Which physical quantity is defined as the rate of change in velocity?
Which physical quantity is defined as the rate of change in velocity?
- Displacement
- Acceleration (correct)
- Torque
- Force
What is the unit for force according to Newton's second law?
What is the unit for force according to Newton's second law?
- J
- kg
- N (correct)
- m/s²
How is work calculated based on force and displacement?
How is work calculated based on force and displacement?
Which physical quantity is defined as the rate of doing work?
Which physical quantity is defined as the rate of doing work?
What does Newton's third law state?
What does Newton's third law state?
What aspect of movement does kinematics describe?
What aspect of movement does kinematics describe?
What is considered a push or pull that can produce, arrest, or modify movement?
What is considered a push or pull that can produce, arrest, or modify movement?
What does momentum measure?
What does momentum measure?
What is the function of the rotatory component My (Sy, Wy)?
What is the function of the rotatory component My (Sy, Wy)?
Which component of force acts parallel to the forearm and compresses or stabilizes the joint?
Which component of force acts parallel to the forearm and compresses or stabilizes the joint?
In a second-class lever, what do applications of the resolution of forces help describe and calculate?
In a second-class lever, what do applications of the resolution of forces help describe and calculate?
How does the changing angle of a joint influence the X and Y components of forces applied to a bone?
How does the changing angle of a joint influence the X and Y components of forces applied to a bone?
What does a constant magnitude biceps muscle force (M) at different elbow joint positions result in?
What does a constant magnitude biceps muscle force (M) at different elbow joint positions result in?
Which component of force acts perpendicularly to the long axis of a segment, causing rotation?
Which component of force acts perpendicularly to the long axis of a segment, causing rotation?
What does Mx (Sx, Wx) represent in terms of its action on a bony segment?
What does Mx (Sx, Wx) represent in terms of its action on a bony segment?
What is the primary purpose of the X component of muscle force on a bone?
What is the primary purpose of the X component of muscle force on a bone?
How does changing the angle-of-insertion (α) affect the MX and MY force components with a constant magnitude biceps muscle force?
How does changing the angle-of-insertion (α) affect the MX and MY force components with a constant magnitude biceps muscle force?
What is the location of the center of gravity (CoG) dependent on?
What is the location of the center of gravity (CoG) dependent on?
What do forces applied to the body cause?
What do forces applied to the body cause?
What is the moment arm?
What is the moment arm?
What is torque?
What is torque?
What is the internal moment arm?
What is the internal moment arm?
What is the external moment arm?
What is the external moment arm?
In which plane do torques or moments occur?
In which plane do torques or moments occur?
What is the condition for equilibrium in a first-class lever system?
What is the condition for equilibrium in a first-class lever system?
What type of lever system is the head-and-neck extensor muscles controlling the posture of the head in the sagittal plane?
What type of lever system is the head-and-neck extensor muscles controlling the posture of the head in the sagittal plane?
What are internal forces?
What are internal forces?
Which of the following is NOT an example of an external force?
Which of the following is NOT an example of an external force?
What is the collective name for Newton's laws of motion?
What is the collective name for Newton's laws of motion?
What does the Law of inertia describe?
What does the Law of inertia describe?
Which of the following statements about active forces is TRUE?
Which of the following statements about active forces is TRUE?
What is the primary purpose of Newton's laws of motion in the context of human movement analysis?
What is the primary purpose of Newton's laws of motion in the context of human movement analysis?
What type of force is generated by the tension in stretched joint capsules?
What type of force is generated by the tension in stretched joint capsules?
Which of the following is NOT a characteristic of options/distractors in a well-constructed multiple-choice question?
Which of the following is NOT a characteristic of options/distractors in a well-constructed multiple-choice question?
What scientific work provided the basic laws and principles of mechanics for understanding human movement analysis?
What scientific work provided the basic laws and principles of mechanics for understanding human movement analysis?
What type of force arises from outside the body?
What type of force arises from outside the body?
Which of the following is required to completely describe a vector in biomechanical analysis?
Which of the following is required to completely describe a vector in biomechanical analysis?
Where is the center of gravity (CoG) of the body located when in anatomic position?
Where is the center of gravity (CoG) of the body located when in anatomic position?
What is the orientation of the line of gravity (LoG)?
What is the orientation of the line of gravity (LoG)?
For an object to be stable, where must the line of gravity (LoG) fall?
For an object to be stable, where must the line of gravity (LoG) fall?
Which factor contributes to the greater stability of an object?
Which factor contributes to the greater stability of an object?
What contributes to an object's stability in relation to its center of gravity?
What contributes to an object's stability in relation to its center of gravity?
Which of the following is an example of an internal force?
Which of the following is an example of an internal force?
What is the magnitude of a vector quantity used to represent in biomechanical analysis?
What is the magnitude of a vector quantity used to represent in biomechanical analysis?
