What is the gravitional acceleration near the surface of the star?

In summary, neutron stars are extremely dense objects with a mass comparable to the mass of the sun but a radius of only several thousand meters. The gravitational acceleration near the surface of the star can be calculated using the equation gstar = G * mass / diameter^2. For the second conversation, the gravitational acceleration on the surface of the moon is 1.622 m/s^2 and an object with a mass of 6.01427 kg weighs 9.8333 N. To find out how many Earth radii away the object must be to weigh the same as it does on the surface of the moon, the equation g(moon) = G(mass of earth)/(nr)^2 can be used.
  • #1
missfearless017
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0
Neutron stars are extremely dense objects with a mass comparable to the mass of the sun but a radius of only several thousand meters. Consider a neutron star of mass M = 1.99e+030 kg and a radius of R = 10.8 km.

What is the gravitational acceleration near the surface of the star?

I tried using the equation gstar = G * mass / diameter^2 but that didn't work.
 
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  • #2
You should be calculating the strength of the field (the acceleration) from the centre of the neutron star.
 
  • #3
ok here's another one.

the gravitational acceleration on the surface of the moon is 1.622 m/s^2. An object weighs 9.8333 N on the moon (mass is 6.01427 kg). How many Earth radii must this same object be from the surface of the Earth if it is to weigh the same as it does on the surface of the moon?

I tried to calculate this one with g(moon) = G(mass of earth)/(nr)^2 but it didn't work.
 
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Related to What is the gravitional acceleration near the surface of the star?

1. What is gravitational acceleration?

Gravitational acceleration is the acceleration experienced by an object due to the force of gravity. It is the rate at which an object's velocity changes as it falls towards a massive body, such as a star.

2. How is gravitational acceleration calculated?

Gravitational acceleration can be calculated using the formula: a = GM/r^2, where G is the universal gravitational constant, M is the mass of the star, and r is the distance between the object and the center of the star.

3. What is the value of gravitational acceleration on Earth's surface?

The gravitational acceleration on Earth's surface is approximately 9.8 m/s^2.

4. Does the gravitational acceleration vary on different stars?

Yes, the gravitational acceleration can vary on different stars depending on their mass and size. Larger and more massive stars will have stronger gravitational accelerations.

5. How does the gravitational acceleration near the surface of a star affect objects?

The gravitational acceleration near the surface of a star affects objects by pulling them towards the star. This force of gravity is what keeps planets and other objects in orbit around the star.

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