Midterm 1

Question 1

Describe Newton’s First Law and how we
measure it.

Answer 1

The Law of Inertia

Question 2

Discuss the four different kinds of motion

Answer 2

1. No motion (stability or static)
2. Linear motion
3. Rotational (angular) motion
4. Motion to stationary

Question 3

• Cervical vertebrae __
• Thoracic vertebrae __, (each with pair of ribs)
• Lumbar vertebrae__

Answer 3

-7 cervical
-12 thoracic
-5 Lumbar

Question 4

a body in a “constant state” of
motion = _________
A change in “constant state” of
motion = __________

Answer 4

a body in constant motion- Velocity
A change in constant motion- acceleration

Question 5

6 general functions of the skeleton

Answer 5

• Support : rigid frame for support
• Protection:: protects vital organs.
• Locomotion: provide attachment sites for muscles
  allowing for movement
• Blood cell production : production of red and white
  cells and platelets.
• Mineral reservoir: particularly calcium and
  phosphorus
• Mineral trap: trap dangerous minerals