Moving about
Slide 2
…and off our roads.
1. Constant speed.
The concept of “speed”
Measuring speed
Changes in speed ...
Possible exercises: I
Possible exercises: II
Possible exercises: III
Speed Changes
Vectors and scalars
Examples of vectors
Speed and velocity
Caution
Velocity & displacement
Relative motion
Frames of reference
2. External forces
F = ma
Force
Mass
Acceleration
Addition of vectors
Forces on a car
Forces on a car
Friction
Coefficient of friction
Coefficient of friction
Simplification
Possible exercises IV
Rolling resistance
Rolling resistance
Rolling resistance
Aerodynamic drag
Drag coefficient
Slide 37
Slide 38
Minimising drag
Other forms of drag
Equilibrium
Possible exercises: V
3. Understanding motion
Kinetic Energy
Energy transformations
Conservation of energy
Coast-down tests
4. Change of momentum
Newton’s third law
Momentum
Change of momentum
Impulse
From which it is ...
Possible exercises: VI
5. Safety devices
Newton’s first law
Crash testing
Possible exercises: VII
Possible Exercises: VIII
Slide 60
Further modifications
Further modifications II
Airbags
NRMA crash testing
NRMA crash testing
NRMA crash testing
Seat belts
6. motion and forces
And not just on the earth
What have we left out?
And we could usefully
Digital data loggers
Bike computers
Bikebrain
Slide 75
Possible exercises: IX
Further questions
Possible exercises: X
The General Motors EV-1
The Aurora
Slide 81
Possible exercises: XI
Human-powered vehicle:
Solar car:
Edible car
Slide 86
Slide 87
Energy consumption
Slide 89
Slide 90
Slide 91
My favourite books, I
My favourite books, II
My favourite books, III
My favourite books, IV
Other resources
