Home of real teaching & learning
  • Full support for teachers
  • Focus on critical thinking
  • Engaging classroom activities
  • Integrated student eBook
  • Assessed tasks / qBank
  • Practice exam questions

The InThinking Guarantee: Our sites are written by expert practitioners and not by AI

See our AI policy

Disclaimer: InThinking subject sites are neither endorsed by nor connected with the International Baccalaureate Organisation.

Don't miss out, find out!

Marked Report 1

In this practical we were given a suspended beam to investigate, this consisted of a wooden rod and two strings. The aspect I will investigate is the way it unwinds when twisted as illustrated in the diagram below. As can be seen the strings were attached to one point and the beam twisted 10 times. I noticed that the time taken to unwind was less when the distance from the end of the beam to the string attachment was...

Help