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.