A force of 36 N acts at an angle of 55" to the vertical. The force moves its point of application by 64 cm in the direction of the force. Calculate the work done by: 

(a) the horizontal component of the force

(b) the vertical component of the force.

(a) Enter an expression for the horizontal component of the net force acting on the charge located at the lower-left corner of the rectangle in terms of the charges, the given distances, and the Coulomb constant. Use a coordinate system in which the positive direction to the right.

(b) Calculate the value of the horizontal component of the net force, in newtons, on the charge located at the lower-left corner of the rectangle.

(c) Enter an expression for the vertical component of the net force acting on the charge located at the lower-left corner of the rectangle in terms of the charges, the given distances, and the Coulomb constant. Assume up is positive.

(d) Calculate the value of the vertical component of the net force, in newtons.

(e) Calculate the magnitude of the net force, in newtons, on the charge located at the lower-left corner of the rectangle.

(f) Calculate the angle of the net force measured in the counter-clockwise direction from the positive horizontal direction. 

A beam of electrons is shot into a uniform downward electric fieldof magnitude 1.11 103 N/C. The electrons have an initial velocityof 1.05 107 m/s, directed horizontally. The field acts over a smallregion, 5.00 cm in the horizontal direction.
(a) Find the magnitude and direction of the electric force exertedon each electron.
I know the direction is upward, but I don't know how to calculatethe magnitude.
(b) How does the gravitational force on an electron compare withthe electric force?
I know the answer to B is The gravitational force is much smallerthan the electric force.
(C)How far has each electron moved in the vertical direction by thetime it has emerged from the field?
(d) What is the electron's vertical component of velocity as itemerges from the field? (Up is the positive y-direction.
(e) The electrons move an additional 20.6 cm after leaving thefield. Find the total vertical distance that they have beendeflected by the field.

Please when you answer these questions please tell me the formulaand how you did each problem step by step. No matter what I do, I'mgetting the answer wrong.

A woman who weighs 4.99 102 N is leaning against a smooth verticalwall, as the drawing shows.


(a) Find the force FN (directed perpendicular to the wall) exertedon her shoulder by the wall.
? N

(b) Find the horizontal component of the force exerted on her shoesby the ground.
? N

(c) Find the vertical component of the force exerted on her shoesby the ground.
? N