<p>A block of mass M slides down a plane at an angle of 37 degrees to the horizo

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<p>A block of mass M slides down a plane at an angle of 37 degrees to the horizontal. The coefficient of kinetic friction = 0.20. The horizontal lines in the picture represent magnitude of forces, in units of the force of gravity on the block. The arrows show directions for forces. DATA: sin(37o)=0.60 cos(37o)=0.80, tan(37o)=0.75.</p>
<p>http://imageshack.us/photo/my-images/32/imag0223e.jpg/</p>
<p><span>a) Enter the two-letter combination for the Normal force on the block. [The two-letters for the force of gravity on the block are JB. Enter J first, (magnitude) and B second, (direction).]</span></p>
<p><span>b)&#160;</span>Enter the 2-letter combination for the frictional force on the block.</p>
<p>c)Enter two 2-letter combinations, for the component of the force of gravity on&#160;the block (1) along the incline and (2) perpendicular to the incline. Format&#160;the answer with no spaces and a comma. Example: SK,ON&#160;</p>
<p>d)&#160;Enter the 2-letter combination for the total force on the block.</p>
<p>e)Give the direction of the force on the ramp due to the sliding block. If it is along one of the arrows, select that arrow. If not, select the two adjacent&#160;arrows between which that force is directed.</p>
<p>Thank you SO MUCH in advance! Im really confused.</p>

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