Section 4- Moments

Question 1

What is moments?

Answer 1

Moments are to do with a force exerted about a pivot causing a turning effect.

Question 2

What is the calculation for moment?

Answer 2

M= F x D

M= moment/Nm
F= Force/N
D= perpendicular distance from force to pivot/m

Question 3

What 2 conditions must exist for a body to be static?

Answer 3

1- FR=0

2- The summation of the moments about any point = 0

Question 4

What is the short symbol for ‘Σ anti clockwise moments about any point’?

Answer 4

ΣACM

Question 5

What is the short symbol for ‘Σ clockwise moments about any point’?

Answer 5

ΣCM