A spaceship which is 50,000 kilometers from the center of Earth has a mass of 3,000 kilograms. What is the magnitude of the force of gravity acting on the spaceship? (The value of G is 6.673 × 10-11 newton meter2/kilogram2. The mass of Earth is 5.98 × 1024 kilograms.)

Question

anonymous · Answer

Apply the formula $$F=\frac{ GMm }{ r ^{2} }$$ where M is the mass of the earth, r is the distance in metres from the space craft to the centre of t craft. he earth and m is the mass of the space craft.

anonymous · Answer

Sorry - mistyped. Should read 'r is the distance from the space craft to the centre of the earth in metres'.