(See attached file for full problem description with equations and diagram)

1. A 2150 kg satellite used in a cellular telephone network is in a circular orbit at a height of 780 km above the surface of the earth. What is the gravitational force on the satellite? What fraction is this of its weight at the surface of the earth?

2. Calculate the magnitude and direction of the net gravitational force on the moon
due to the earth and the sun when the moon is in each of the positions shown in Fig. 12-24. (Note that the figure is not drawn to scale. Assume that the sun is in the plane of the earth-moon orbit, even though this is usually not the case.) Use the data in Appendix F.

3. Gravitational Field. The gravitation field produced by an object is defined as the gravitational force that the object exerts on a small test particle of mass m divided by m. What are the magnitude and direction of the gravitational field produced by a 20.0 kg spherically symmetric object at a point 1.50m directly above the center of the object?

... energy corresponding to repulsive force field is always ... of heat if done against non-conservative forces. ... to do work against the gravitational force of earth ...

... a force, mg due to the earth's gravitational field (net force...Forces are as shown in the figure ... m. Determine the magnitude of the gravitational force exerted on ...

... this is the time needed for a satellite to circle ... have to find the formula for the force due to ... the Earth is a spherical body the gravitational field that it ...

... The direction of the magnetic field is perpendicular ... the resultant force of these two forces is ... friction is neglected and the gravitational force is conservative ...

... spacecraft designers cannot totally eliminate gravitational effects, they ... as part of comprehensive efforts in fields such as ... for the US Army Air Forces in 1946 ...

... the galaxy apart due to the centrifugal forces caused by ... to see that, for a scientific field with a ... Earth's orbit contributed to the gravitational force on us. ...

... upstream as the bifurcation is forced downstream by ... ΣR=R1+R2, g is gravitational respectively, k ... bottom friction and the Coriolis force becomes insignificant ...

... weather satellites under the influence of various magnetic, gravitational, and radiation forces. ... Discharge Price Waterhouse had, in effect forced me to ...

... plus any work done on the object by external forces during its ... Air resistance is a friction force. ... energy is due to the pull of the gravitational field of earth ...