- #1
holezch
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forces question, a "pedagogical machine"
All surfaces are frictionless. How much force must be applied to M1 in order to keep M3 from rising or falling?
Picture:
http://www.slideshare.net/brigittperalta/sol-maquina-pedagogica-1546585
F = Ma
I think my understanding of these force questions is way off.. if the surfaces are frictionless, how will M1 affect the M2 on top of it? I think in order to keep M3 from falling, you need the tension to equal to the weight of M3..
thanks
Homework Statement
All surfaces are frictionless. How much force must be applied to M1 in order to keep M3 from rising or falling?
Picture:
http://www.slideshare.net/brigittperalta/sol-maquina-pedagogica-1546585
Homework Equations
F = Ma
The Attempt at a Solution
I think my understanding of these force questions is way off.. if the surfaces are frictionless, how will M1 affect the M2 on top of it? I think in order to keep M3 from falling, you need the tension to equal to the weight of M3..
thanks