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Mathematics 8 Online
OpenStudy (anonymous):

a ball is dropped and falls freely. What is the reaction to the force of gravity pulling the ball down?

OpenStudy (anonymous):

These are physics problems...

OpenStudy (anonymous):

I'll help you, but next time, post math problems. Do you know what the gravity of earth is?

OpenStudy (anonymous):

9.8

OpenStudy (anonymous):

Are you speaking of reaction when ball hits a surface?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

When a ball hits a surface, it turns into kinetic energy if not elastic. However, if the ball is elastic, the ball will rebound. So, when the ball hits the surface, a huge force is created which is called an impact. .. http://www.engineeringtoolbox.com/impact-force-d_1780.html

OpenStudy (anonymous):

The impact is great due to the total potential energy of the free fall mgh but divided by the slow down distance. F=mgh/s. I am not sure what you learned so far in class in order to help answer you correctly.

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