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<blockquote data-quote="cm304eex" data-source="post: 79594" data-attributes="member: 3994"><p>Hi guys had this question asked in our lecture today, I have no idea where to start as our teacher explained it at about 100mph. so any help would be great!! headbang </p><p></p><p>A bar 1.5m long is pivoted at its centre. A downward force of 90N is aplied at right angles 0.2m from the end.</p><p></p><p>Calculate the downward force at to be applied at right angles to the bar at the opposite end to prevent it from rotating. neglect the weight of the bar.</p><p></p><p>helpheadbang</p></blockquote><p></p>
[QUOTE="cm304eex, post: 79594, member: 3994"] Hi guys had this question asked in our lecture today, I have no idea where to start as our teacher explained it at about 100mph. so any help would be great!! headbang A bar 1.5m long is pivoted at its centre. A downward force of 90N is aplied at right angles 0.2m from the end. Calculate the downward force at to be applied at right angles to the bar at the opposite end to prevent it from rotating. neglect the weight of the bar. helpheadbang [/QUOTE]
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