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Title: Newton's Laws
Description: Notes from SPRT1022 - University of Worcester - Dr Dan Eastough
Description: Notes from SPRT1022 - University of Worcester - Dr Dan Eastough
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1022 (06/10/20)
Newton’s Laws
Forces and Gait
• Newton realised that fore causes motion
• Kinetics is the analysis of force
• The unit of force is measured in Newtons (N)
• Most forces can be separated into contact and non-contact forces
Non-contact forces
Contact forces
Gravity
Ground reaction forces
Joint reaction forces
Muscle forces
Fluid forces
Elastic forces
Horizontal vs Vertical Motion
• Gravity does not affect “horizontal” motion
Gravity
Gravity is expressed as an acceleration
g = 9
...
e
...
g
Title: Newton's Laws
Description: Notes from SPRT1022 - University of Worcester - Dr Dan Eastough
Description: Notes from SPRT1022 - University of Worcester - Dr Dan Eastough