A block and tackle system of pulleys has velocity ratio 4

Force, Work, Power, Energy (10)

A block and tackle system of pulleys has velocity ratio 4.

  1. Draw a neat, labelled diagram of the system indicating clearly the points of application and direction of load and effort.
  2. What will be its V.R. if the weight of the movable block is doubled?

Answer

(i)

(ii) Velocity Ratio does not change and remains 4.

  • Exam Year: 2020