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![[Post New]](/templates/default/images/icon_minipost_new.gif) 29 Feb 2008 20:28:35 IST
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when a man is in contact with a hollow cylinder, tell me in which direction the force of friction will act? how?
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29 Feb 2008 20:34:33 IST
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if the man is simply in contact with the hollow cylinder, the direction of frictional force is indeterminate. the direction of frictional force is generally in the direction opposite to relative motion, and from the way the question is phrased (ie the man being simply in contact with the cylinder) it appears that frictional force is zero. if not, please specify initial direction of motion of man.
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2 Mar 2008 13:03:17 IST
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Is the man inside the sphere or out side??
Is the sphere at rest or in motion??
Is the man in the vertical line passing through the centre mass of sphere?
Why dont you include a figure to make the problem clear??
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Satyaram B V,
General Secretary, Mandakini Hostel,
IIT Madras |
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2 Mar 2008 20:32:17 IST
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@tka is right the direction of friction is opposite to the direction of relative motion.......the question is not at all clear
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6 Mar 2008 18:39:01 IST
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@jasss: all mentioned clearly already. pls see.
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