Why are force fields necessary to describe gravity?

A. gravity can only push objects apart

B. gravity is a type of air resistances

C. gravity acts between any two objects with charges

D. gravity is a non-contact force

Andrew pokes a marble, and the marble rolls down a ramp. The marble moves with speed. Which forces are acting on the marble in this situation? When Andrew pokes the marble, he gives it force. As the marble rolls down the ramp, force pulls it down.

The first scientest that proposed that all things are made up of atoms

Which is a way that the model of the atom became stronger through new experiments?

Anya lifts a ball high above her head and drops it. The ball bounces up and down. She observes that the ball loses height every time it bounces. How can this situation be explained?

Cici uses a long extension cord to plug a lamp in a wall outlet in the next room. What effect will the extension cord have on the circuit A it will decrease the resistance of the circuit B it will increase the voltage of the outlet C it will

Explain why the car reaches a top speed even though the thrust Force remains constant at 3500N

4. A helicopter is flying at a height of 1.5km. If it has 50MJ of G. P. E., what is the mass of the helicopter?

Unless otherwise posted, what is the speed limit in a school zone? florida

If you put in 10 J of work to push 1 c of charge against and electric field what will be its voltage with respect to its starting position? when released, what will be it's kinetic energy if it flies past it's starting position?

The process of changing the energy of a system by means of force. Force * Diatance