Ayúdenme por favor!! Es para hoy y no le entiendo Para sacar un clavo, se coloca un pequeño bloque de madera debajo de un grifo y se aplica una fuerza horizontal P, como se muestra en la figura. Se sabe que l = 8.9 cm y que P = 133.45 N, determina la fuerza vertical ejercida sobre el clavo y la reacción en B.

Sorry i don’t know what to do

Transfer of electrons. hope it !

Good moring let me you on this question the answer the electric force  have a good day ; )

W= fd
where f is an applied force and d is the distance over which it is applied. when a parachuting skydiver is at constant velocity, he is experiencing "terminal velocity", the point at which his acceleration down is canceled out by air resistance. that means that the resisting force of the air is equal to his weight, but in the opposite direction. with this, we can solve for the work done by the force.
w = fd
w = (92.0)(9.81 m/s^2) (325)
w= 2.93 x 10^5 j
the value for work in this case is positive because it is pushing up on the skydiver, who has a downward force of gravity.
therefore the answer is 2.93 x 10^5 j