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Criado por sammy414
mais de 10 anos atrás
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What will experience an attractive force when placed in a gravitational field?
What will an increase in mass have on the gravitational force?
What objects have a significant gravitational effect here on earth?
What do gravitational field lines show?
If you put a small mass anywhere in the Earths gravitational field where would it be attracted to?
What type of gravitational field is the earth?
If you move a mass further away from the earth what effect will this have on the force it experiences?
The force experienced by an object in a gravitational field is always ...
What do vector quantities depend on?
What does Newtons Law of gravitation calculate?
What type of law is the Newtons law of gravitation?
In Newtons law of gravitation, if the distance between the masses increases then the force will ...
In Newtons law of gravitation, if the distance doubles then the force will ...
What is field strength defined as?
What does the gravitational field strength depend on?
What are the units for Gravitational field strength?
What type of quantity is 'g' Gravitational field strength?
What can we assume 'g' is at the earths surface?
What type of field do point masses have?
In a radial field g is ...
What does a graph of g against r for the earth look like?
What does the area under a 'g' against 'r' graph find?
What is gravitational potential defined as?
What are the units for gravitational potential ?
Is gravitational potential positive or negative on the surface of the mass?
What will the gravitational potential be at an infinite distance from the mass?
How would a graph look for Gravitational potential varying with distance?
What does the gradient find of a Gravitational potential against distance graph?
What is gravitational potential difference?
How are planets and orbits kept in orbit?
What keeps any object that is undergoing circular motion in its path?
What does the force depend on? Give an example of this?
What must the gravitational and centripetal forces equal?
What is the time taken for a satellite to make one orbit called?
The greater the radius of a satellites orbit ...
The energy of an orbiting satellite ...
What energies does an orbiting satellite have?
In a circular orbit a satellites speed and distance are ...
In an elliptical orbit when will a satellite speed up?
In an elliptical orbit when the kinetic energy increases...
What do geosynchronous satellites do?
What speed does a geosynchronous satellite travel at?
What are geosynchronous satellites useful for and why?
How long is a geosynchronous orbit?