Posted by Anonymous on Wednesday, September 28, 2011 at 5:19pm.
Two packing crates of masses m1 = 10.0 kg and m2 = 4.40 kg are connected by a light string that passes over a frictionless pulley as in the figure. The 4.40kg crate lies on a smooth incline of angle 41.0°.
find the acceleration of the 4.4kg crate
find the tension in the string

physics  bobpursley, Wednesday, September 28, 2011 at 5:25pm
it the incline up,or down?
Assuming the m2 is going uphill towards the pulley.
net pulling force= m1*gm2*g*sinTheta
retarding force= (m1+m2)a
set them equal, solve for a.
Tension: it is pulling against m2*g*sinTheta+m2*a
so that is what tension is.

physics  Anonymous, Wednesday, September 28, 2011 at 5:31pm
thanks that was really helpful
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