# mechanics

posted by
**Karabo**
.

A particle of mass 10 kg is acted on by a resultant force, F newtons. If the position vector of the particle is given by r = 6ti + (4t + 8t2)j, then F is equal toƒª

posted by
**Karabo**
.

A particle of mass 10 kg is acted on by a resultant force, F newtons. If the position vector of the particle is given by r = 6ti + (4t + 8t2)j, then F is equal toƒª