PLEASE HELP! What are two ways gravitational force is different from electric force?
(Select 2 answers)
A) Electric force only exists for short distances. Gravitational force exists even though objects may be millions of miles away?

B) Gravity only causes objects to be pulled together. Electric force can pull things together or push them apart.

C) Electric force is much stronger than gravitational force.

D) Electric force is measured in Coulombs while gravitational force is measured in Newtons.

Is a  vector quantity  that refers to "the rate at which an object changes its position." imagine a person moving rapidly - one step forward and one step back - always returning to the original starting position. while this might result in a frenzy of activity, it would result in a zero velocity. because the person always returns to the original position, the motion would never result in a change in position. since velocity is defined as the rate at which the position changes, this motion results in zero velocity. if a person in motion wishes to maximize their velocity, then that person must make every effort to maximize the amount that they are displaced from their original position. every step must go into moving that person further from where he or she started. for certain, the person should never change directions and begin to return to the starting position.

The rearrangement of particles in a physical change. hope this

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