Stability science form 2
description
Transcript of Stability science form 2
STABILITYSTABILITY
In this unit, a student is able to state :
what stability is
factors that affect stability
applications of stability in daily life
INTRODUCTION
Ability of an object to maintain its original position
STABILITY
STABLE NOT STABLE
Gravity affects every part of an object.
Centre of gravity (equilibrium point)
the point at which the whole weight of
the object seems to act
Centre of gravity
Centre of gravity
Regular shaped objects : exactly in the middle
Centre of gravity
Irregular shaped objects : at the side with greater mass
Centre of gravity
• An object can be balanced at its centre of gravity
Let’s do an activity!
How to find point of equilibirum?
Location of centre of gravity
Factors affecting stability
the lower the centre of gravity, the more stable it is
Shorter objects have a lower centre of gravity compared to taller ones
Base Area
the larger the base area, the more stable it is
Factors affecting stability
Lowering its centre of gravity
Increasing its base area
Improving the stability of objects
Foundation of buildings Racing car Bottom of glass is thicker Tripod stand, conical flask Trucks with engine at the bottom
Applying the principle of stability
~THE END~