Does a greater amount of force always result in a greater amount of work? why or why not? does moving an object a greater amount of distance always require a greater amount of work?

An object moves from position +34m to the position -15m in 15 seconds. what is the total displacement? what is the total velocity?

If an electric circuit is not grounded it is best to reach out and touch it to provide the ground a.true or b.false

Four point charges each having charge q are located at the corners of a square having sides of length a. find symbolic expressions for the following. (a) the total electric potential at the center of the square due to the four charges (use any variable or symbol stated above along with the following as necessary: ke.) vtotal= (b) the work required to bring a fifth charge p from infinity to the center of the square (use any variable or symbol stated above along with the following as necessary: w=