Acceleration due to gravity near earth is:
Correct answer: B. Uniform
- A. Non uniform
- B. Uniform
- C. Decreasing with distance
- D. Increasing with time
Explanation
The acceleration due to gravity near Earth is approximately uniform. On Earth's surface, the standard acceleration due to gravity, denoted as "g," is approximately 9.81 meters per second squared (m/s²) and is relatively constant at a given location. This means that the acceleration due to gravity remains nearly the same for objects in the vicinity of Earth's surface, regardless of their mass. However, it's worth noting that the value of "g" can vary slightly depending on your location on Earth and other factors like altitude and local geology. For example, it is slightly higher at the poles and decreases slightly as you move toward the equator due to Earth's rotation and shape. Nevertheless, these variations are relatively small, and for most practical purposes, we consider the acceleration due to gravity as uniform near Earth's surface.
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About Law of Universal Gravitation
Every two masses attract each other with a force proportional to the product of their masses and inversely proportional to the square of their separation, expressed as F = Gm₁m₂/r². Questions also involve the gravitational constant, vector direction, superposition of gravitational forces, and the distinction between gravitational force and gravitational field strength.
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