পদার্থবিজ্ঞান প্রশ্ন

The average distance separating Earth and the Moon is 384000 km. What is the net gravitational force exerted by Earth and the Moon on a 3.00 x 104 kg spaceship located halfway between them? (Mass of earth-5.98 x 1024 kg and mass of moon=7.36 x 1022 kg)