Turning Effect Of Forces Flashcards
0
Q
Conditions for equilibrium ?
A
Resultant force must be equal to zero
1
Q
Formula of moment of a force
A
Moment of a force =FxD
2
Q
What does the principle of moments state that?
A
The principles of moments states that the sum of clockwise moments must be equal to the sum of anti-clockwise moments about the same pivot.
3
Q
What is a stable equilibrium ?
A
The object returns to its original position after it is tilted slightly
4
Q
What is a unstable equilibrium ?
A
The object topples over after it is tilted slightly
5
Q
What is a neutral equilibrium?
A
The object stays in its new position after it is moved slightly
6
Q
How to improve the centre of gravity of an object ?
A
Lower the centre of gravity and broaden the base area
