Moments Flashcards
1
Q
define a moment
A
force x the perpendicular distance between the line of action of force and the pivot
2
Q
what is the formula for torque?
A
torque = Fd
3
Q
if the object is balancing it is a
A
moment
4
Q
if the object is rotating it is a
A
torque
5
Q
define a couple
A
two equal forces in opposite directions separated by a perpendicular distance s.
6
Q
what is the formula for a couple
A
couple= Fs
7
Q
give the 2 definitions for centre of mass
A
the point through which the weight acts
the point around which the resultant torque is 0
8
Q
what is the equation for a balanced system
A
the sum of the clockwise moments = the sum of the anticlockwise moments
