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Introductory Physics Homework Help
How does torque help us understand the motion of objects?
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[QUOTE="haruspex, post: 4501365, member: 334404"] Your analysis is correct. The problem with pushing the pen with your fingers is that it is just about impossible to arrange that the forces are equal. You will naturally tend to advance the fingers at equal and opposite velocities, the forces being whatever is required to achieve that. You would have a better chance attaching a string at two points on the rod, with the length of the string passing off one side of the table, down to and through a pulley, and back up on the other side of the table. pulling the pulley gently downwards should exert equal forces (subject to friction between rod and table). [/QUOTE]
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Introductory Physics Homework Help
How does torque help us understand the motion of objects?
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