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(no friction) inclined plane acceleration

by isuru.imsd
Tags: acceleration, friction, inclined, plane
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isuru.imsd
#1
Dec1-11, 09:10 AM
P: 1
1. The problem statement, all variables and given/known data



2. Relevant equations
on a inclined plane an object is at stationery. β accelaration is applied horizontally towards the inclined plane(no friction at all no where) being object is at rest relative to the inclined plane.the angle of the inclined plane is θ sinθ=1/x.what is the accelaration(β). im a srilankan my physics test sum today
http://imageshack.us/photo/my-images/542/snapshot20111201.jpg/


3. The attempt at a solution
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JHamm
#2
Dec1-11, 09:14 AM
P: 389
If you apply an acceleration [itex]\beta[/itex] against an incline plane then you are applying a force [itex]m \beta[/itex] against that plane and the plane pushes back with a normal force with equal strength but with a different direction. Calculate the force pushing your object up and set this equal to the force of gravity pulling it down [itex]mg[/itex] and you're done.
Alternatively parameterize gravity and the pushing force into new components parallel to the ramp and solve for these being equal.


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