A force acts along the x-axis according to

PHYSICS · Single correct · AP · Physics C: Mechanics · Work Energy and Power · Work Energy and Power

Problem

F = kx

, where

k

is a positive constant. What is the work done when the particle moves from

x = 0

x = a

? (a)

\dfrac{3}{4} k a^{2}

(b)

k a^{2}

(c)

\dfrac{1}{2} k a^{2}

(d)

\dfrac{1}{3} k a^{2}