Mechanics Flashcards
1
Q
Principle of monuments
A
If a body is in equilibrium the sum of motions is that the sum of anticlockwise moments is equal to the sum of clockwise mommnts
2
Q
What happens to a body in stable and unstable equilibrium
A
Stable - if the body is implacable it willl return to it original position
Unstable-if the body is displaced I will move away from its original position
3
Q
Two support problems
A
Support force equals - Weight times distance to centre of mass all divided by distance aprt of other pillars
4
Q
What is centre of mass
A
Where the mass f an object is most concentrated