Chapter 5 Flashcards
1
Q
What is the principle of moments?
A
The principle of moments states that when a body is in equilibrium, the sum of clockwise moments about a pivot Is equal to the sum of anticlockwise moments about the same pivot.
2
Q
What is a moment?
A
The moment of a force is the product of the force and the perpendicular distance from the pivot to the line of action of the force.
3
Q
What is stability?
A
Stability of an object is a measure of its ability to return to its original position after it is slightly displaced.
4
Q
How can stability of an object be increased?
A
- its centre of gravity should be kept as low as possible
2. its base area should be kept as wide as possible
