Simplification of a Force and couple system Wrench Problem

7Lions · 2014-02-17T00:48:24+00:00

Homework Statement The Attempt at a Solution I understand 90% of the problem and how to do it, I just can't wrap my head around how they managed to get 0.3sin30 for that one side in the problem.

Thread 'Collision of a bullet on a rod-string system: query'

In this question, I have a question. I am NOT trying to solve it, but it is just a conceptual question. Consider the point on the rod, which connects the string and the rod. My question: just before and after the collision, is ANGULAR momentum CONSERVED about this point? Lets call the point which connects the string and rod as P. Why am I asking this? : it is clear from the scenario that the point of concern, which connects the string and the rod, moves in a circular path due to the string...

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Thread 'Explain this asphalt sheen'

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Homework Statement

The Attempt at a Solution

Thread 'Collision of a bullet on a rod-string system: query'

Thread 'Explain this asphalt sheen'

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