5. Turning effect of forces Flashcards
1
Q
A pivot
A
is the fixed point about which an object rotates.
2
Q
moment.
A
moment is the turning effect of force given by the product of the forces magnitude and the perpendicular distance of force from the pivot.
3
Q
The centre of mass
A
of an object is the point where its entire mass appears to be concentrated.
4
Q
A lamina
A
is a flat object with negligible thickness.
5
Q
Stability
A
tells us how difficult it is to topple over an object when pushed.