Which of newtons laws explain the orbit of a space shuttle around earth and the orbit of earth and the sun? answer asap! : )

Arowboat passenger uses an oar to push the boat off the dock by exerting a force of 40n for 3.0s. what impulse acts on the boat.

The field between two charged parallel plates is kept constant. if the two plates are brought closer together, the potential difference between the two plates either a) decrease b) does not change c) increase?

Amagnetic field applies forces on: a)static chargesb)moving chargesc)water flow