Hey I need help on moments. I dont understand when you do anticlockwise moments and clockwise moments, on say for example a beam, how are you supposed to know which moments are clockwise and which are anticlockwise?

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I don't understand it as I am doing maths with mechanics and in M1 questions about beams and moments come up which I am forever getting wrong as I don't understand the which forces I am supposed to label as Clockwise and which as Anticlockwise...Please could someone help me? Any help would be appreciated.

Posted Tue 12th March, 2013 @ 23:07 by Former Member

1 Answer

  • 1 vote

The force acting on the right is always clockwise and on the left is always anticlockwise.
If there's a ruler on a pivot and there is a force acting on the ruler making it turn to the right, it is the clockwise moment. If the force is acting upwards pushing it to the left, the moment is anticlockwise.

Answered Wed 13th March, 2013 @ 15:53 by Varshini