Answer the following questions about mass and weight in space travel:
PHYSICS · Multi-part · AP · Physics 1: Algebra-based · Force and Translational Dynamics · Force and Translational Dynamics
Problem
Answer the following questions about mass and weight in space travel:
(i) Define mass and weight.
(ii) Explain why astronauts orbiting Earth in a spacecraft feel almost weightless even though Earth’s gravitational pull acts on them.
(iii) An astronaut has a mass of 80 kg. Describe, without calculation, whether his mass and his weight change when he moves from Earth to the Moon. Give a reason for each case.