Recent content by alex_the_seal

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    How Do Reaction Forces Work at a Pin Joint in Truss Analysis?

    Hi there! Can anyone take me through the method of joints procedure for this truss? I am having trouble working out the reaction forces at the pin at joint A. Is there supposed to be a vertical component to the reaction force as well a a horizontal (seeing as it is a pin)? And if so where...
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    What does the scale read when two 100N weights are attached to a spring scale?

    Thank you, the solution is clear now.
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    What does the scale read when two 100N weights are attached to a spring scale?

    Homework Statement http://img131.imageshack.us/img131/2996/physicswb9.th.png Two 100N weights are attached to a spring scale as shown. What does the scale read? Homework Equations The Attempt at a Solution This concept is difficult for me to grasp. My natural instinct...