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Q:

A particle P of mass 0.5 kg moves upwards along a line of greatest slope of a rough plane inclined at an angle of 40o to the horizontal. P reaches its highest piont and then moves back down the plane. THe coefficient of friction between P and the plane is 0.6.

i) Show that the magnitude of the frictional force acting on P is 2.25 N, correct to 3 sig figures.

ii) Find the acceleration of P when it is moving

a) Up the plane

b) Down the plane

iii) When P is moving up the plane, it passes through a point A with speed 4 ms-1.

a) Find the length of time before P reaches its highest point

b) Find the total length of time for P to travel from the point A to its highest point and back.

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• Posted on Jan 05, 2010 at 10:08:41PM
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Motion along an inclined plane
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• Posted on Jan 05, 2010 at 11:42:23PM
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