The diagram below represents the forces acting upon a rightward moving object. Each arrow represents a force; the length of the arrow represents the strength of the force. Is this object speeding up, slowing down, or moving at a constant speed?

Which lists the fundamental forces in order, from strongest to weakest? strong nuclear, weak nuclear, electromagnetic, gravitational strong nuclear, electromagnetic, weak nuclear, gravitational gravitational, weak nuclear, electromagnetic, strong nuclear electromagnetic, gravitational, strong nuclear, weak nuclear