What is the only force acting on an object orbiting earth?

air resistance
friction
inertia
gravity

Gravity

Explanation:

Due to inertia of motion, an object would keep moving in straight line but it is pulled into orbit due to gravity. This is based on Newton's first law of motion.  The gravitational pull of the sun keeps the Earth and other planets into  their orbits. Similarly, an object orbiting Earth remains in the orbit due to gravity. Moon revolves around the Earth. It remains in the orbit because of gravitational pull of the Earth.

! 55 !  

write a paragraph or story to explain the transformation between potential and kinetic energy as shown in your picture or model.  

you should have at least 5 complete sentences with a main idea and supporting details.  

you must include the following words:  

potential energy

kinetic energy

mechanical energy

conservation of energy

dude, this is hard lol : ))

i think it's 35 meters