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August 3, 2015

Homework Help: PHYSICS

Posted by Lily on Sunday, September 30, 2007 at 5:34pm.

A mass on a frictinless inclined ramp is connected to a rope with tension T. Complete the senteces with correct selection:
-increases
-decreases
-stays the same

a) If the block is moving up the ramp and theta=30 deg, its speed initally _________ if T=(mg)/2

b) If the block is moving down the ramp and theta is more than 30 deg, its speed initally _________ if T=(mg)/2

c) If the block is moving up the ramp at increasing spped, T is ______ the normal foce of teh ramp on the block.


Thank you so much in advance!

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