A single conservative force Fx = (6.0x - 12) N (x is in m) acts ...

[codyclark]

A single conservative force Fx = (6.0x - 12) N (x is in m) acts on a particle moving along the x axis. The potential energy associated with this force is assigned a value of +20 J at x = 0 . What is the potential energy at x = 3.0 m?
 a. +11 J
  b. +29 J
  c. +9.0 J
  d. -9.0 J
  e. +20 J

Question 2

For a force to be a conservative force, when applied to a single test body
 a. it must have the same value at all points in space. b. it must have the same direction at all points in space. c. it must be parallel to a displacement in any direction.
  d. equal work must be done in equal displacements.
  e. no net work must be done for motion in closed paths.

[HandsomeMarc]

Answer to Question 1

B

Answer to Question 2

E

[codyclark]

Excellent

[emsimon14]

Gracias!