Traditional Culture Encyclopedia - Traditional virtues - Physical problems
Physical problems
Agree with the solution of "Blue Low-key 2540"
After the object passes through the lowest point of the arch bridge, it is equivalent to making a centripetal motion of an arc. Force analysis is shown in the figure.
Horizontal force balance, vertical direction: gravity mg= arch bridge supporting force N 1+ centripetal force t.
The resultant force is gravity and supporting force, which are obviously unequal according to the above equation.
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