- The four forces act on the block as it moves the distance L. What
is the total work performed on the block by these forces?
(A) (F + f)L
(B) (F − f)L
(C) (N − w)L
(D) (N + w)L
(E) (F − N + f − w)L
(A) (F + f)L
(B) (F − f)L
(C) (N − w)L
(D) (N + w)L
(E) (F − N + f − w)L