posted by .

For which of the following situations can the equation F = mg not be used to calculate the force due to gravity?

a) The pull of gravity on an apple on the surface of the Earth.

b) The pull of gravity on an airplane flying at an altitude of 8 km above the surface of the Earth.

c) The pull of the Earths gravity on the Moon.

d) The equation can be used for all of the above.

  • Physics -


  • Physics -


Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Physics

    Calculate the force of gravity on a spacecraft 19200 km (3 earth radii) above the Earth's surface if its mass is 1600 kg. Hint: At three earth radii from the surface of the Earth, the gravity force (weight) of the spacecraft will be …
  2. Physics

    A. Use the relation 2 m m m GM g R ƒ­ to find the acceleration due to gravity on the surface of the Moon. You can use the following data: Mass of the Moon m M = 7.35 ¡Ñ 1022 kg. Radius of the Moon m R = 1.74 ¡Ñ 106 m. B. How …
  3. physics

    If the earth acceleration due to gravity on a mass of 2000kg on the earth surface is 10ms.What will be the acceleration due to gravity when it is at a point twice the radius of the earth.What is the gravitational force on it.
  4. Physics help please

    The space shuttle orbits at a distance of 335 km above the surface of the Earth. What is the gravitational force (in N) on a 1.0 kg sphere inside the space shuttle. Assume that the mass of the Earth is 5.98x1024 kg and the radius of …
  5. physics

    The force of gravity at Earth's surface on an astronaut is 634N. What is the force of gravity on the same person at each of the following distances, in multiples of Earth's radius, from the centre of Earth?
  6. science. -_-

    Okk so im not asking for answers, i just need somone to expplain this homework to me! I don't get it what so ever. So the homework tittle is Weight in space. So it has a whole discripition in wjich i will write dpwn for you. The paper …
  7. Physics

    Calculate the percentage of Earth’s gravitational force on the ISS astronauts while orbiting at an altitude of 248 miles above Earth’s surface. To do this, compare the gravitational force on an orbiting astronaut to the force on …
  8. physics

    What is the acceleration due to gravity at a distance of 1.2 Earth radii above Earth�s surface?
  9. Grade 12 Physics

    A rocket ship is moving away from the earth after having been fired from a launch pad in Florida. At what point above the earth's surface will the force of gravity be reduced to ½ of its original value?
  10. Physics

    For the normal force exerted on the book by the wedge in the diagram, which force(s) complete(s) the force pair for Newton’s third law (action-reaction)?

More Similar Questions