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OpenStudy (dream95):
A machine is used to push an object of mass 2kg up a rough inclined plane. A constant force of 14N is needed to move the object up the plane at height 3 m from ground in 5 s. Determine the input power of machine
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OpenStudy (dream95):
is there any way to get the angle of inclined plane or the length of it?
OpenStudy (chenping):
no nid angle it's power. so just use E=Fd then P=E/t
OpenStudy (dream95):
E=fs right? then what's the displacement?
OpenStudy (chenping):
3m is the displacement*
OpenStudy (dream95):
|dw:1374841526894:dw|
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