Jared is experimenting with a force that is attractive only and the weakest of the fundamental forces. He is experimenting with which force? electromagnetic
strong
gravitational
weak

Assume this car is driven off a cliff . how many arrows of force need to be drawn in the free body diagram? assume no air resistance -five -one -three -four

Why is the energy that results from a roller coaster's position at the top of a hill referred to as potential energy?

Aprotein molecule in an electrophoresis gel has a negative charge. the exact charge depends on the ph of the solution, but 30 excess electrons is typical. what is the magnitude of the electric force on a protein with this charge in a 1600n/c electric field? write in two significant numbers, and also in newton