What are micrometer screws used for?

What is the difference between speed and velocity?

What is the gradient in a distance-time graph?

What is the gradient in a speed-time graph?

What is deceleration?

Describe the motion of a falling object, taking air resistance into consideration

(EXAMPLE: a ball falling)

What is a Moment?

Describe the behavior of the moments when e.g. a see-saw is in equilibrium