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Acceleration Due to Gravity Video Lecture | Physics Class 11 - NEET

FAQs on Acceleration Due to Gravity Video Lecture - Physics Class 11 - NEET

1. What is the formula to calculate acceleration due to gravity?
Ans. The formula to calculate acceleration due to gravity is g = G * (M / r^2), where g is the acceleration due to gravity, G is the gravitational constant, M is the mass of the object, and r is the distance from the center of the object.
2. How does the acceleration due to gravity vary on different planets?
Ans. The acceleration due to gravity varies on different planets depending on their mass and radius. For example, the acceleration due to gravity on Earth is 9.81 m/s^2, while on Mars, it is about 3.71 m/s^2.
3. How does altitude affect acceleration due to gravity?
Ans. As altitude increases, the acceleration due to gravity decreases. This is because the distance from the center of the Earth increases, resulting in a weaker gravitational pull.
4. Can acceleration due to gravity be negative?
Ans. No, acceleration due to gravity cannot be negative. It is always a positive value, indicating the rate at which an object falls towards the center of a planet or celestial body.
5. How does the acceleration due to gravity affect the weight of an object?
Ans. The acceleration due to gravity directly affects the weight of an object. The weight of an object is equal to its mass multiplied by the acceleration due to gravity. As the acceleration due to gravity increases, the weight of an object also increases.
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