Each object, starting from left to right, has a mass of 20.0 kg, 25.0 kg and 5.0 kg respectively. They are attached
by rope and pulled by an individual (see figure 4). Their unified acceleration is 5.5 m/s2
in the x direction. What is
the horizontal force applied on the block system? What type of horizontal force is applied on all three blocks (e.g.
tensional, compressional, etc)? What is the horizontal force applied on m3? What is the work done by all the
blocks if they all start from rest, and are accelerated with the force you calculated for 10.0 seconds? If there is a
220.0 N frictional force is applied to the system, will the system continue to accelerate? If so, by how much?
Explain your reasoning
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