Newton's Law of Gravitation Worksheet
A Grade 12 physics worksheet covering Newton's Law of Gravitation, including calculations and conceptual understanding.
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Newton's Law of Gravitation
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Read each question carefully and answer to the best of your ability. Show all your work for calculation problems. Use G = 6.674 × 10⁻¹¹ N·(m/kg)².
1. Which of the following statements best describes Newton's Law of Universal Gravitation?
Every object attracts every other object with a force that is directly proportional to the square of the distance between their centers.
Every object attracts every other object with a force that is directly proportional to the product of their masses.
Every object attracts every other object with a force that is inversely proportional to the square of the distance between their centers and directly proportional to the product of their masses.
The gravitational force between two objects depends only on their individual masses.
2. If the distance between two masses is doubled, the gravitational force between them will be:
Doubled
Halved
Quadrupled
Reduced to one-fourth
3. The gravitational force is always an force, meaning it pulls objects towards each other.
4. The constant G in Newton's Law of Gravitation is known as the gravitational constant.
5. The gravitational force between two objects is directly proportional to the of their masses.
6. Calculate the gravitational force between two spherical objects, one with a mass of 100 kg and the other with a mass of 50 kg, when their centers are 2 meters apart.
7. Explain why we don't feel the gravitational force between everyday objects, even though it exists according to Newton's Law.
8. The gravitational force between two objects depends on the medium between them.
True
False
9. The gravitational force is a contact force.
True
False
10. Consider the image below which illustrates the Universal Gravitation Constant. In the context of Newton's Law of Gravitation, explain the significance of the Universal Gravitation Constant (G) and how it impacts the calculation of gravitational force.
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