According the Merriam Webster dictionary the definition of falling is, "to descend freely by the force of gravity".

Physics

1 answer:

ki77a [65]2 years ago

3 0

Answer:

Explained

Explanation:

If you are in a rotating system newton's law do not work .Adding a frictious force can make the law work. If an orbiting object is in constant freefall under gravity . Even elliptical planet orbits are examples of freefall under gravity. The force F which the planet feels; this force can be resolved into two components, centripetal force F_C and tangential force F_T.

The tangential force causes an acceleration(newton's second law) which decreases the speed and the centripetal force causes the velocity to turn. In there is circular orbit of radius R, F_T=0 and the centripetal force is F_C=Mv^2/R;

The centrifugal force would be a vector with magnitude Mv^2/R( same as that of centripetal) pointing away from the sun but it does not really exist.

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Answer:

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D) 19.8 lbs

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Answer:

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