Which of the following statements regarding vectors and representation of movement forces is true?

Question

Quizplus · Accepted Answer

This statement is true. When representing internal forces, such as muscle contraction forces, the tail of the arrow should be placed at the attachment point of the muscle on the lever that it is moving.

Option B is incorrect, as gravity can be depicted as a vector pointing in any direction that represents its component forces.

Option C is incorrect because the arrow representing muscle contraction force points in the same direction as the combined effect of the muscle fibers.

Option D is incorrect because the arrow depicting a force on a vector may be curved or have other directional elements based on the nature and direction of the force.

Which of the Following Statements Regarding Vectors and Representation of Movement