A10
The dynamics and conservation of mechanical energy

• Motion
• Motion is relative
• Reference systems
• Trajectory
• Displacement
• Time table
• Tools for the experimental study of motion
• Manual time counting
• Automatic time counting
• Average speed
• How to measure average speed
• Instantaneous velocity
• How to measure instantaneous velocity in one point
• How to measure instantaneous velocity in two points
• Average acceleration
• How to measure average acceleration
• Instantaneous acceleration
• Various types of motion
• Uniform rectilinear motion
• Uniformly accelerated rectilinear motion
• How to achieve uniformly accelerated motion
• Causes of motion
• The concept of force in dynamics
• When no forces are applied to a body
• When an impulse is given to a body
• Friction
• When a constant force is applied to a body
• Taking stock of the work
• Mass
• Fundamental law of dynamics
• Interactions
• Forces at work
• Work when the force is not constant
• Elastic force
• Work of the elastic force
• Conservative forces
• Concept of energy in physics
• Kinetic energy of translation
• Gravitational potential energy
• Force of gravity is conservative
• Elastic potential energy
• Conservative forces and potential energy
• Principle of conservation of mechanical energy
• Periodic motions
• Gravitational pendulum
• Energy of a swinging pendulum
• Elastic pendulum