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
Active forces are generally under voluntary control.
Active forces are generally under voluntary control.
True
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
External forces are produced by forces acting from outside the body.
External forces are produced by forces acting from outside the body.
Signup and view all the answers
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.
Signup and view all the answers
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.
Signup and view all the answers
Inertia is directly proportional to the velocity of a body.
Inertia is directly proportional to the velocity of a body.
Signup and view all the answers
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.
Signup and view all the answers
Linear acceleration of a body is inversely proportional to its mass.
Linear acceleration of a body is inversely proportional to its mass.
Signup and view all the answers
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.
Signup and view all the answers
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.
Signup and view all the answers
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.
Signup and view all the answers
