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1. Find the gravitational force between two objects when the distance between them is represented by R.

2. Find the acceleration of an object due to the combined gravitational forces of two other objects when the distances of the other two objects from the object are represented by d1 and d2.

3. Find the centripetal acceleration of an object caused by its movement in a circular orbit about another object when the size of the circle is represented by R.

4. Find the gravitational force between two objects when the masses of the two objects are represented by m1 and m2.

5. Find the centripetal acceleration of an object moving in a circular path when the object's mass is represented by m and the radius of the orbit is represented by r.

6. Find the acceleration of an object due to the gravitational force of another object when the distance between the two objects is represented by d and the mass of the second object is represented by m.

7. Find the centripetal force acting on an object moving in an orbital path when the speed of the object is represented by v and the radius of the path is represented by r.

8. Find the centripetal force acting on an object moving in an elliptical orbit when the speed of the object is represented by v and the distance from the other object is represented by d.

9. Find the centripetal acceleration of an object moving in a circular path when the angular velocity of the object is represented by Ï‰ and the radius of the path is represented by R.

10. Find the centripetal force necessary for an object to move in a circular path when the mass of the object is represented by m, the speed of the object is represented by v, and the radius of the path is represented by r.