04. Investigation of Newton's Second Law

  • 01:24 These results are not to be used. Why?
  • 01:41 Why do we need to make duplicate measurements?
  • 01:49 Why is the graph a straight line? Why does the line go through the origin?
  • light gate, interface and computer

  • dynamics trolley

  • pulley and string

  • slotted masses, 400 g

  • mass, 1 g

  • clamp

  • ruler

  • double segment black card

Hazard Risk Control measure

Bouncing masses

When masses fall to the floor they may bounce and cause physical injury

Use a box or tray lined with bubble wrap (or similar) under heavy objects being lifted.