University of Central Florida Force of Gravity Questions

Click on the following link to investigate the force of gravity: https://phet.colorado.edu/en/simulation/gravity-force-lab (Links to an external site.)

Begin with two spheres of masses, 50 kg and 200 kg are separated by distance 4 m.

  1. Calculate the force between them and verify its value from simulation.
  2. Bring both spheres closer, what happens to force as separation decreases?
  3. Increase their masses, how does the force change?

Click up Constant Radius.

  1. What happens to force?
  2. Does gravity force depend upon the radius of spheres?
  3. How can you get maximum gravity force in simulation? What is this max value?

Think:

  1. Is gravity force an attractive or repulsive force? Is gravity force a weaker force or stronger force (in terms of its strength)?

Prof. Angela

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