Suppose a person was pushing down on a 50 kg desk with 200 N of force acting at 30* angle above the horizontal, the desk does not move. A: determine the x component of the for of tension.

B: determine y component of the force of tension.

C: determine the magnitude of the normal force and friction force acting on the desk.

The of a machine determines its "usefulness." a. input force b. output force c. mechanical advantage

Imagine you had to physically add electrons, one at a time, to a previously neutral conductor. you add one electron very easily, but the second electron requires more work. in your initial post to the discussion, explain why this is. also, what happens to the work needed to add the third, fourth, fifth, and subsequent electrons

Ineed the answer to question 1 , i’m desperate