- Civil Lab Mechanical Lab Engineering Lab Equipments
- sales@didacticlabequipments.com
CAT NO: DIDACTICNLE-Export-056022
Rolling Disc On Inclined Plane- Engineering Lab Training Systems.
Features
Low cost, effective teaching.
Self-contained.
Bench mounted.
Measurement of moment of inertia by
rolling and oscillation.
Three year warranty.
Range of Experiments
To determine and compare the moment of inertia of a disc by three methods:-
Motion down a plane.
Oscillating pendulum.
Calculation.
Description
The
moment of inertia of a rolling object is the rotary analogy of mass and
governs the rotary acceleration. It can be determined in three ways; by
rolling, oscillation or calculation. All should ideally give the same
result but the student can be introduced to differences caused by
different experimental techniques
A pair of machined rails form
an inclined track for a disc rolling on a spindle through its center.
The inclination of the track can be readily altered by raising an end
fitted with a height bar. Two discs are supplied; the larger has a
diameter of 150mm and a thickness of 22.5mm, whilst the smaller is 100mm
by 20mm. This enables two moments of inertia to be used.
The
moments of inertia of the discs are determined from the time taken for
the disc to roll down the slope. They may also be found from a
subsidiary experiment using an oscillating pendulum in which the disc
spindles are supported on knife edge bearings and a pendulum is attached
to the shaft. The moments of inertia are estimated from the periodic
time of the assembly.
This equipment is part of a range designed
to both demonstrate and experimentally confirm basic engineering
principles. Great care has been given to each item so as to provide wide
experimental scope without unduly complicating or compromising the
design. Each piece of apparatus is self-contained and compact. Setting
up time is minimal, and all measurements are made with the simplest
possible instrumentation, so that the student involvement is purely with
the engineering principles being taught. A complete instruction manual
is provided describing the apparatus, its application, experimental
procedure and typical test results.
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