hookes law rp

Cards (20)

  • What equipment is used to investigate the relationship between force and extension for a spring?
    Clamp stand, bosses, clamps, meter rule, spring
  • Why is a heavy weight placed on the clamp stand?
    To stop it falling over
  • Why is it important for the meter rule to be vertical?
    Otherwise, the readings will be inaccurate
  • What is attached to the bottom of the spring to act as a pointer?
    A wooden splint
  • Why must the pointer be horizontal?
    Again the readings will be inaccurate
  • In the experiment, how is force applied to the spring?
    By hanging weights on the spring
  • What is the length of the spring with no force attached called?
    The unstretched length
  • In the experiment, how much weight is added each time?
    One Newton
  • How is the extension produced by adding each weight calculated?
    Subtract unstretched length from each reading
  • What is plotted against weight on the graph?
    The extension
  • How is the spring used to work out the weight of a mystery object?
    Measure extension, then read weight from graph
  • What does a straight line graph through the origin indicate about the relationship between extension and weight?
    Directly proportional
  • What kind of relationship is shown when the extension is directly proportional to the weight?
    A linear relationship
  • What type of relationship is observed when using a rubber band instead of a spring?
    Nonlinear relationship
  • What happens to the spring when the weight is removed, demonstrating its elasticity?
    Extension returns to zero
  • What happens if too much weight is added to the spring?
    The graph becomes nonlinear
  • What is it called when a spring is overstretched and does not return to its original length?
    Inelastic deformation
  • What is exceeded when a spring is overstretched?
    The limit of proportionality
  • How can the spring constant be determined from the linear part of the graph?
    Dividing the force by the extension
  • What is true about the spring constant if the limit of proportionality is not exceeded?
    It will be the same for any part of the graph