A uniform diving board is held by two fixed rods at points P and Q. A person stands at end R of the diving board, as shown.
The forces exerted by the rods on the board are vertical. The board remains in equilibrium as the person slowly moves towards point Q from end R.
Which row describes the changes to the magnitudes of the forces exerted by the rods on the board?
A
2 )
B
3 )
C
4 )
D
تحلیل ویدئویی تست
منتظریم اولین نفر تحلیلش کنه!
