turning effect of forces Flashcards
1
Q
moment of a force
A
product of the force and the perpendicular distance from the pivot to the line of action of the force
2
Q
principle of moments
A
when a body is in equilibrium, the sum of clockwise moments about a pivot is equal to the sum of anti-clockwise moments about the same pivot
3
Q
centre of gravity
A
imaginary point at which the entire mass of the object appears to act for any orientation
4
Q
stability
A
the ability for an object to return to it’s original position after being displaced
