Describe the relationship between gravitational force, mass, and distance. Also, answer if doubling mass or doubling distance would result in a greater increase in the gravitational force.

The law of conservation of energy states that energy cannot be created or , energy can be from one substance to another. the first blank is ' destroyed ' and for the second blank is ' transferred '

If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?

Which situation will produce the greatest change of momentum