Two blocks are at rest on frictionless surfaces. What must the mass of the right block be in order that the two blocks remain stationary?

Refer to: http://research.physics.illinois.edu/per/IE/phys111/ie/04/IE_2_blocks_incline/incline4.gif

Left:
Block A: 10kg, θ 23°

Right:
Block B: θ 40°

Question

Two blocks are at rest on frictionless surfaces. What must the mass of the right block be in order that the two blocks remain stationary?

Refer to: http://research.physics.illinois.edu/per/IE/phys111/ie/04/IE_2_blocks_incline/incline4.gif

Left:
Block A: 10kg, θ 23°

Right:
Block B: θ 40°

anonymous · Answer

You have to solve for the free body diagrams for both blocks. There are two constraints to the system: (1) assume Acceleration of a = Acceleration of B (2) Tension on Block A = Tension on Block B.

anonymous · Answer

Would you like to go through the diagram process?

anonymous · Answer

Wouldn't the acceleration be equal to gravity?

All i have right now is T=mg = 10kg*9.8m/s^2=98N

anonymous · Answer

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Do you have this free body diagram setup?