A Crate Follows a Semicircular Path of Radius 1

Multiple Choice

A crate follows a semicircular path of radius 1.0 m. The tangential component of the net force acting on a crate is 10 N, constant in magnitude. The net work done on the crate is

A) 0 J.
B) 3.1 J.
C) 20 J.
D) 31 J.
E) 63 J.