What do a diplodocus and a tower crane have in common?

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Presentation transcript:

What do a diplodocus and a tower crane have in common?

24 February, 2019 Moments Objectives Be able to describe what a moment is and be able to calculate moments.

Outcomes ALL be able to describe what a moment is MOST be able to apply this to real life situations SOME be able to apply mathematically

Moments  A measure of the turning effect of a force

Moments  The distance is the perpendicular distance – the shortest distance between the line of action of the force and the pivot

Context

http://www.youtube.com/watch?v=zhxhbakxxbI&noredirect=1

News Story Look at the following pictures and write a statement for the local radio news explaining what went wrong October 2004 Roundstone, Co Galway, Ireland There were no injuries The police did not attend! http://www.vertikal.net/en/stories.php

Look at the following pictures and write a statement for the local radio news explaining what went wrong

Mathematical Moments Answer the questions on the sheet in pairs

Demonstrate 1 Write in words a description of what a moment is. 2 Describe how to change a lever to make it more effective. 3 If the Moment = 20Nm and the Load = 8N, what is the perpendicular distance from the pivot to the load?

What key question would you ask to find out whether someone has understood today’s lesson?