ENS 303 Kinetics & Neuro Review

How is kinetics different from kinematics?

• Kinematics involves forces, while kinetics doesn't.

• Kinetics involves forces, while kinematics doesn't.

• They're actually the same thing.

Which of the following are forces that affect body motion?

• Gravity

• Muscles

• Externally applied resistances

• Friction

In a class ___ lever, the axis of rotation is located between the force and the resistance arm

• 1

• 2

• 3

In a class ___ lever, the force arm is always larger than the resistance arm

• 1

• 2

• 3

In a class ___ lever, the force arm is always smaller than the resistance arm

• 1

• 2

• 3

A majority of joints in the body are what kind of lever class?

• 1st

• 2nd

• 3rd

The brain. brain stem, and spinal cord make up which portion of the nervous system?

• Central

• Peripheral

The autonomic and somatic nervous system are branches of which nervous system?

• Central

• Peripheral

Sensory nerves are _____ while motor nerves are _____

• Afferent, efferent

• Efferent, afferent

Large muscles like the gastrocnemius that produce large forces have a relatively _____ ratio of muscle fibers

• Small

• Large