1
Physics for Introductory Biology
1.1
Concepts of motion
1.2
Concepts of density, mass, inertia, force, momentum
1.3
Energy and power
2
Material Properties
2.1
The skeleton includes all the structures that function to absorb energy without breaking or permanently deforming, to transfer energy from one part to another, or to store-and-release energy
2.2
Skeletons are loaded by external forces
2.3
Stress in a material is the resistance to strain
2.4
Work has to be done on a structure to deform it and generate stress
2.5
Materials absorb strain energy
2.6
Stored strain energy can do work
2.7
The work that a strained material can do is always less than the work done to deform the material
2.8
Material Properties determine if a tissue is good at absorbing strain energy without breaking or storing and releasing lots of elastic strain energy
3
Gear Ratios
3.1
Gears control an output force or displacement or speed
3.2
Vertebrate musculoskeletal systems are geared
Chapter 3
Gear Ratios
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