How Does Friction Affect a Small Block on a Moving Incline?

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AI Thread Summary
The discussion revolves around calculating the horizontal force required to prevent a small block from slipping down a moving incline. The small block has a mass of 0.5 kg and rests on a larger block with a mass of 5 kg, with a static friction coefficient of 0.6 between them. The incline is set at an angle of 50 degrees, and the larger block has no friction with the table. Participants highlight the need for clarity regarding the movement of the incline and the application of forces involved. The conversation emphasizes the importance of visual aids, such as diagrams, to better understand the problem setup.
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Homework Statement


A small block of mass .5kg sits on a large block of mass 5kg as shown. The coefficient of static friction between the blocks is .6, but between the large block and the table there is no friction. What horizontal force will keep the small block from slipping down the incline if the angle is 50 degrees.


Homework Equations



How do I take into account the incline is also moving?


The Attempt at a Solution



I set up a Ff< mew(sum of forces)

I solved for F, but did not get the right answer which should be around 2
 
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Hi countryapple, welcome to PF.
The problem is not clear. You have mentioned the table and inclined plane. On which the larger block is moving? To which the horizontal force is applied. If you can provide the figure the problem will be clear.
 
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