sandesh baghmar said:
Acceleration due to gravity is a constant because it is determined by the mass and radius of Earth, which do not change significantly over time. This means that the force of gravity pulling objects towards the Earth's center remains constant.
Acceleration due to gravity is typically measured using a device called an accelerometer, which measures the rate of change in velocity of an object. It can also be calculated using the formula g = 9.8 m/s^2, where g represents the acceleration due to gravity on Earth.
No, acceleration due to gravity can vary slightly depending on location and altitude. This is because the radius and mass of Earth are not perfectly uniform, leading to slight variations in gravitational pull. However, these variations are typically very small and do not significantly affect everyday activities.
Acceleration due to gravity is typically represented as a negative value because it is directed towards the center of the Earth, which is considered the negative direction in physics. This negative value indicates that objects are accelerating towards the Earth's surface, rather than away from it.
No, acceleration due to gravity is not affected by the speed of an object. It remains constant regardless of the speed at which an object is falling. This is because acceleration due to gravity is determined by the mass and radius of Earth, rather than the speed of the object.