A force of $5N$ making an angle $\theta$ with the horizontal acting on an object displaces it by $0.4\;m$ along the horizontal direction. If the object gains kinetic energy of $1\;J$ the horizontal component of the force is :

Question

( A ) $2.5N$
( B ) $4.5N$
( C ) $3.5N$
( D ) $1.5N$