Universal Gravitation Worksheet
Grade 12 Physics worksheet covering Newton's Law of Universal Gravitation, gravitational force calculations, and its implications.
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Universal Gravitation Worksheet
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Read each question carefully and answer to the best of your ability. Show all your work for calculation problems.
1. Which of the following statements best describes Newton's Law of Universal Gravitation?
Gravity is directly proportional to the distance between two objects.
The gravitational force between two objects is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers.
The gravitational force is only significant for objects with very large masses.
Gravity only acts on objects in contact with each other.
2. If the distance between two masses is doubled, how does the gravitational force between them change?
It doubles.
It is halved.
It is quartered.
It quadruples.
3. The gravitational constant, G, has an approximate value of .
4. The gravitational force is always an force, meaning it pulls objects towards each other.
5. Calculate the gravitational force between two students, one with a mass of 70 kg and the other with a mass of 80 kg, if they are standing 1.5 meters apart. (G = 6.674 × 10⁻¹¹ N·m²/kg²)
6. The acceleration due to gravity on Earth is constant at all altitudes.
True
False
7. A satellite orbits Earth at an altitude of 300 km above its surface. Given Earth's mass (5.972 × 10²⁴ kg) and radius (6.371 × 10⁶ m), calculate the gravitational acceleration experienced by the satellite at that altitude. (G = 6.674 × 10⁻¹¹ N·m²/kg²)