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post the figure or a diagram.

i have T-102Nsin(40)-19.5=m1a =-6.09

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i think i keep confusing my cos and sin

hold up. I think I may have confused sin and cos. lol.

yeah I switched them, sorry:
block on ramp:
T -102N*sin(40) - uk*102N*cos(40) = (102N/g)*a

this isn't different than what i am getting then
my numbers are 24N-65.6N-19.5N divided by 10.4

for x1

|dw:1348867218201:dw|

how'd you find T?

naw, you want components 'along' or 'into' the ramp.

in your sketch mg is a component of some other vector... I don't know what it is

I got -3.8 m/s^2
(g=9.8)
that's the answer your book has, no doubt. so try my way:)

cool!

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