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- 1. Multiple ChoiceThe definition of gravitational field strength is:The region of space surrounding a body where other bodies will feel an attractive force due to it.The region of space surrounding a body where other bodies will feel an repulsive force due to it.The region of space surrounding a charge where other charges will feel an attractive force due to it.The region of space surrounding a charge where other charges will feel an repulsive force due to it.
- 2. Multiple ChoiceHow far out from a mass should the gravitational field lines go....to where the gravitational field becomes negligableto twice the diameter of the massinfinitely farto four times the diameter of the mass
- 3. Multiple Choice
In this equation...G is the gravitational field strengthr is the distance between the 2 massesF is the repulsive gravitational forcem is the momentum of the mass - 4. Multiple ChoiceThe gravitational field strength of Earth is...uniform far away from the surface and radial close to the surfaceuniform close to the surface and radial far away from the surface
- 5. Multiple ChoiceGravitational potential at a point is....the work done in bringing a unit mass from infinity to the pointthe work done in bringing a unit mass from the point to infinitythe work done in bringing a unit charge from infinity to the pointthe work done in bringing a unit mass from twice the radius of the mass to the point
- 6. Multiple ChoiceAn object is moved from A to B in the gravitational field of Earth. The distance between the centre of Earth and B is twice that of A. If the gravitational potential energy of the object at A is –2.0 MJ, what is the gravitational potential energy of the object at B?zero-0.5MJ-1.0MJ-4.0MJ
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