Forces in a Crane Jib TM 115

Forces in a Crane Jib

Type: TM 115
Name: Forces in a Crane Jib
Technical Description

  TM 115 represents a planar central force system in which multiple forces act on a single point of application. Based on the example of a crane jib, forces are determined graphically and experimentally: resultant cable force, tensile force, compressive force. The directions and magnitudes of the forces are determined graphically by way of a force parallelogram.
  A bar of adjustable length and a chain make up the crane jib, which is attached by adjustable clamp elements to a retaining bar. Weights are applied to the crane jib. The occurring bar forces are indicated by integrated spring balances.


Learning Objectives / Experiments
- graphical breakdown of forces by force parallelogram
- determination of the bar forces on various jib forms
- comparison of: measurement result - calculation - graphical method

* Vectoral handling of forces in a planar central force


Available accessories
WP 300.09 -- Laboratory Trolley
Alternative products
FL 111 -- Forces in a Simple Bar Structure
TM 110 -- Fundamentals of Statics

[1] tensile and compressive forces in a planar central force system based on the example of a crane jib
[2] integrated spring balances in the bars
[3] max. load on crane jib 50N
[4] stainless steel retaining bar
[5] sturdy metal base plate
[6] handles to aid transportation
[7] storage system to house the components


Technical Data

Spring balance for tensile forces
- tensile force: 0...50N, graduations 0,5N
Spring balance for compressive forces
- pressure force: 0...50N, graduations 1N

- 1x 1N (hanger)
- 4x 1N
- 1x 5N
- 4x 10N

Dimensions and Weight

LxWxH: 600x200x620mm
Weight: approx. 10kg

LxWxH: 720x480x178mm (storage system)

Weight: approx. 10kg (storage system)

Scope of Delivery 1 experimental unit
2 spring balances
1 set of weights
1 storage system with foam inlay
1 set of instructional material