What happens to the magnitude of the gravitational force as the distance between two bodies increase?
1 answer:
Answer:
The magnitude of the force will decrease
Explanation:
The gravitational force is one of the four fundamental forces of nature. It is an attractive force exerted between every object having mass.
Its magnitude is given by the equation:
where
G is the gravitational constant
m1 is the mass of the first object
m2 is the mass of the second object
r is the separation between the objects
As we see from the equation, the magnitude of the gravitational force is inversely proportional to the square of the distance between the objects:
Therefore, this means that as the distance between two bodies increases, the gravitational force will decrease.
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Answer:
The focal length is 15.549 cm
The power of the lens is 0.0643 D
Solution:
As per the question:
The near point is 50.0 cm
Distance of the glasses from the eyeball, d = 2.00 cm
The near point of a normal human eye is 25 cm
Now,
The image distance, v' = 50.0 - 2.00 = 48.0 cm
The object distance, u' = 25.0 - 2.00 = 23.0 cm
Now, using the Lens maker formula to calculate the focal length:
f = 15.549 cm
Now, the power of the lens in diopters is given by: