Monday, 26 May 2014

1.27 know and use the principle of moments for a simple system of parallel forces acting in one plane

The ‘Principle of Moments’ states that an object will be balanced if the sum of 
the clockwise moments is equal to the sum of the anticlockwise moments. 
This means that the moments must balance either side.
e.g.
Clockwise moments = anticlockwise moments
moment = force x distance from pivot

W x 4 = 0.8 x 24 = 19.2
W = 19.2 / 4
W = 4.8N

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