Stability is a measure of the body’s ability to maintain its original position.The three types of stability area. Stable equilibriumb. Unstable equilibriumc. Neutral equilibrium
Stability Stability is a measure of the body’sability to maintain its original position. The three types of stability are a. Stable equilibrium b. Unstable equilibrium c. Neutral equilibrium a. Stable Equilibrium The frustum can be tilted throughquite a big angle without toppling.
Its centre of gravity is raised whenit is displaced.
The vertical line through its centreof gravity still falls within its base.
So it can return to itsorginalpositionl.
b. Unstable Equilibrium
The frustum will topple with theslightest tilting. Its centre of gravity is lowered when it is displaced.
The vertical line through its centreof gravity falls outside its base.
c. Neutral Equilibrium
d. It causes frustum to topple.
e. The frustum will rolls about butdoes not topple.
f. Its centre of gravity remains atthe same height when it is displaced.
g. The body will stay in anyposition to which it has been displaced.
Condition for Stability
* To make a body more stable
* Lower its centre of gravityIncrease the area of its base
* This box is at the point oftipping over
* A heavy base lowers at the centreof gravity So the box does not tip over
* A brode base makes the box more difficult to tip over
The Thanjavur Doll
It is s type of traditional Indiantoy made of terracotta material. The centre of gravity and the total weight of thedoll is concentrated at its bottom most point, generating a dance-likecontinuous movement with slow oscillations.
Real Life Applicationsof Centre of Gravity
It is for the reasons of stabilitythat the luggage compartment of a tour bus is located at the bottom and not onthe roof. Extra passengers are not allowed on the upper deck of a crowdeddouble decker bus. Racing cars are built low and broad for stability. Tablelamps and fans are designed with large heavy bases to make them stable.
Tags : Force and Motion | Term 1 Unit 2 | 7th Science , 7th Science : Term 1 Unit 2 : Force and Motion
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7th Science : Term 1 Unit 2 : Force and Motion : Stability and three types of stability, Condition for Stability | Force and Motion | Term 1 Unit 2 | 7th Science
