A block with mass m1 = 8.8 kg is on an incline with an angle _…

A block with mass m1 = 8.8 kg is on an incline with
an angle _ = 32° with respect to the horizontal.
The spring is replaced with a massless rope that pulls
horizontally to prevent the block from moving. What is the minimum
tension in the rope?
Now a new block is attached to the string above the first block
on the ramp. The new block is made of a different material and has
a coefficient of static friction _ = 0.94. What is the minimum mass
of the new block to keep the system from accelerating?

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