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Introductory Physics Homework Help
Preventing a block from sliding down a frictionless inclined plane
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[QUOTE="yesmale4, post: 6617890, member: 699333"] [B]Homework Statement:[/B] A block of mass 1.8 kg is placed on a frictionless inclined ramp of mass 12.8 kg, with the angle θ= 34 as shown below. Calculate the size of the net horizontal force that must be applied to the ramp to prevent the block from accelerating with respect to the ramp? [B]Relevant Equations:[/B] F=ma hey i would like to understand something, i solve this question but i don't understand why my answer is right, first of all we learn that in problems like this we need to disassemble into components the mg and that what i try to do here but i didnt get the right answer so then i try to do same but this time on the N (normal) and i was correct i add my answer and i hope for some explanations [ATTACH type="full"]299358[/ATTACH] [ATTACH type="full"]299359[/ATTACH] [/QUOTE]
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Introductory Physics Homework Help
Preventing a block from sliding down a frictionless inclined plane
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