P8.2 Forces between objects

Resources

Friction.mov

Movie

GIF

GIF

Honey bees in ultra slow motion.mp4

Movie

GIF

PLICKERS

Practical

-Nerf Gun for demonstration

Random objects for students to contemplate

  • Magnet & paperclip tension
  • Something floating on water
  • A weight on a spring
  • A spring on a weight

Risk assessment

  • careful of masses falling

Objectives

Aiming for Grade 4 LOs:

  • Use arrows to represent the directions of forces.
  • Give examples of contact and non-contact forces.
  • Compare the sizes of forces using the unit newton (N).

Aiming for Grade 6 LOs:

  • Use scale diagrams to represent the sizes of forces acting on an object.
  • Describe the action of pairs of forces in a limited range of scenarios.
  • Investigate the effect of different lubricants on the size of frictional forces.