A body, constrained to move in y-direction is subject to a forceF = −2i +15j +6k N.

A body, constrained to move in y-direction is subject to a forceF = −2i +15j +6k N.
A body, constrained to move in y-direction is subject to a forceF = −2i +15j +6k N.
A body, constrained to move in y-direction is subject to a forceF = −2i +15j +6k N.

−2i