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.)
400 newtons
478 newtons
500 newtons
1595 newtons

Question

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.)
400 newtons
478 newtons
500 newtons
1595 newtons

abhisar · Answer

Force due to gravity is given by

 $\sf \boxed{\Large \frac{GMm}{r^2}}$

Where, M and m are masses of the two object and r is the distance between them.