Gravitational force is directly proportional to the –
A.distance between two objects.
B.mass of the objects.
C.mass of and distance between two objects.
D.square of the distance between the objects

The correct answer is:

**B. mass of the objects.**

The gravitational force is described by Newton's law of universal gravitation, which states that the force of gravity is directly proportional to the product of the masses of two objects and inversely proportional to the square of the distance between them. This relationship is given by the formula:

\[
F = G \frac{m_1 m_2}{r^2}
\]

Where:
- \(F\) is the gravitational force,
- \(G\) is the gravitational constant,
- \(m_1\) and \(m_2\) are the masses of the objects,
- \(r\) is the distance between the centers of the two objects.

While **C** and **D** are partially true, **B** directly answers the proportionality with respect to the masses alone.

Would you like to explore the formula in more detail or have any questions?

Here are 5 related questions to explore this concept further:
1. How does increasing the distance between two objects affect gravitational force?
2. What is the gravitational constant \(G\) and its value?
3. How would gravitational force change if one of the object's mass doubled?
4. How does Newton's law of gravitation apply to planetary motion?
5. What happens to gravitational force when both masses are halved?

**Tip:** Gravitational force decreases rapidly with distance because of the inverse square law.

Gravitational force is directly proportional to the – A. distance between two objects. B. mass of the objects. C. mass of and distance between two objects. D. square of the distance between the objects.

Explore how gravitational force is proportional to the mass of two objects and inversely proportional to the square of the distance between them. This problem introduces Newton's Law of Universal Gravitation, highlighting key concepts in physics suitable for students in Grades 9-12.

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