The discussion revolves around a force pulley system involving a 1 kg mass and its interaction with other masses. Participants are exploring the forces acting on the 1 kg mass, particularly questioning the calculation of the downward force being 60N, which seems counterintuitive to some. The context includes concepts of tension, weight, and net forces in a dynamic system.
The discussion is ongoing, with various interpretations being explored. Some participants have provided insights into the forces at play, while others are questioning the reasoning behind the calculations and assumptions made regarding the forces acting on the masses. There is no explicit consensus yet, but productive dialogue is occurring.
Participants are grappling with the implications of the system's acceleration and the forces involved, including the tension in the strings and the weight of the masses. There are references to specific values and calculations that may not be fully agreed upon, indicating a need for further clarification and exploration of the assumptions made.
It is not true, you misunderstood something. There are to forces acting on the 1 kg mass, its weight, 1*g downward, and the tension T1 in the string, upward.aspodkfpo said:
Consider the entire system.ehild said:
I can think of two forces acting on the 1-kg mass: The tension in the string (up) which is exerted by the string and gravity (down) which is exerted by the Earth. Their sum is the net force and that is directed down. What force is the "downward non-net force" and what entity exerts it?aspodkfpo said:
correct so far, but wrong after.aspodkfpo said:
There are three forces acting on the 5 kg mass. The tension in the upper string, 30 N upwardsaspodkfpo said: