a)Find the magnitude of the acceleration of the two blocks in (Figure 1) . Assume the top block slides without friction on the horizontal surface.
b)If the 12-N block in (Figure 1) is replaced with a 12-N force pulling downward, as in (Figure 2) , is the acceleration of the sliding block greater than, less than, or equal to the acceleration calculated in part A?
c)Calculate the acceleration of the block in (Figure 2) , assuming it slides without friction.
The Attempt at a Solution
I have attached a picture of my free body diagram. But I don't know where to start after that. I am thrown off because the number in the boxes are not masses.
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