1M20.10 Mechanical Advantage -- Sheave Block

PURPOSE: To demonstrate the "advantages" of a simple machine

DESCRIPTION: "Block and tackle" system. 4 pulleys (2 lg, 2 small) allow a mass to be raised with a mechanical advantage of 4. See diagram in bottom of box for details of assembly.

SETUP TIME: Medium

COMPONENT LIST:

  1. 2 lg, 2 sm pulleys/rope CM Shelf - box labelled MA -- SB
  2. Mass Mass Area, bottom shelf CM

SUGGESTIONS: Practice! :)

REFERENCES: PIRA 1M20.10

OTHER NOTES: