Posted by Caitlyn on Wednesday, June 20, 2012 at 11:52am.
If someone could help me get started or help me with the first few steps I could probably finish.
With Mass A = .500 kg
Mass B = .125 kg
Find the angle so that the system will be in equilibrium.
- Physics - MathMate, Wednesday, June 20, 2012 at 2:01pm
We don't have your diagram, so we don't know how the masses are connected.
Please describe your figure.
- Physics - Caitlyn, Wednesday, June 20, 2012 at 2:20pm
Oh sorry I completely forgot to add that part in. It's a right triangle and mass A is on the incline (hypotenuse) portion and is attached to a pulley and on the other end is mass B hanging down the side that would be the height of the triangle (opposite of the angle). Is that clear enough?
- Physics - MathMate, Wednesday, June 20, 2012 at 6:57pm
The tension in the string will be equal to T, which connects both masses A and B.
For mass A, the force down the incline is Ma*g*sin(θ) which equals T.
For mass B, the force due to gravity is Mb*g which also equals T.
Thus, equating the two values of T, we get:
Can you take it from here?
- Physics - Caitlyn, Wednesday, June 20, 2012 at 7:54pm
Yea I got it! Thanks a lot!
- Physics :) - MathMate, Wednesday, June 20, 2012 at 8:35pm
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