Podcast
Questions and Answers
Internal forces (Fi) are generated by structures located outside the body.
Internal forces (Fi) are generated by structures located outside the body.
False (B)
Active forces are generally under voluntary control.
Active forces are generally under voluntary control.
True (A)
Passive forces are typically generated by tension in contracted periarticular connective tissues.
Passive forces are typically generated by tension in contracted periarticular connective tissues.
False (B)
External forces are produced by forces acting from outside the body.
External forces are produced by forces acting from outside the body.
Sir Isaac Newton observed in the 18th century that forces were related to mass and motion.
Sir Isaac Newton observed in the 18th century that forces were related to mass and motion.
The laws of motion include the Law of inertia, Law of deceleration, and Law of action - reaction.
The laws of motion include the Law of inertia, Law of deceleration, and Law of action - reaction.
Inertia is directly proportional to the velocity of a body.
Inertia is directly proportional to the velocity of a body.
The center of mass (CoM) and center of gravity (CoG) are always located at different points in a body.
The center of mass (CoM) and center of gravity (CoG) are always located at different points in a body.
Linear acceleration of a body is inversely proportional to its mass.
Linear acceleration of a body is inversely proportional to its mass.
The angular acceleration of a body is directly proportional to the mass moment of inertia.
The angular acceleration of a body is directly proportional to the mass moment of inertia.
If the sum of forces acting on a body is zero, the body is in dynamic equilibrium.
If the sum of forces acting on a body is zero, the body is in dynamic equilibrium.
Newton's first law describes situations where a body is compelled by external forces to change its state.
Newton's first law describes situations where a body is compelled by external forces to change its state.
