Two spherical objects have masses of 100 kg and 200 kg. Their centers are separated by a distance of 40 cm. Find the gravitational attraction between
them.

8.34 x 10⁻⁶N

Explanation:

Given parameters:

Mass 1  = 100kg

Mass 2 = 200kg

Distance of separation  = 40cm = 0.4m

Unknown:

Gravitational force of attraction between them  = ?

Solution:

To solve this problem, we use the expression below which is derived from the Newton's law of universal gravitation:

           Fg  =

G is the universal gravitation constant = 6.67 x 10⁻¹¹

d is the separation

 Now;

  Fg =   = 8.34 x 10⁻⁶N

convex lenses are thicker at the middle. rays of light that pass through the lens are brought closer together (they converge). a convex lens is a converging lens. when parallel rays of light pass through a convex lens the refracted rays converge at one point called the principal focus.

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