Question

A person sitting in a chair in a satellite feels weightless because
(a) the earth does not attract the objects in a satellite
(b) the normal force by the chair on the person balances the earth's attraction
(c) the normal force is zero
(d) the person in satellite is not accelerated.

Comments

Please put the reason behind the answer.

Answer 1

(c) the normal force is zero

EXPLANATION: 

Only (c) is correct. The weight and the centrifugal force balance each other, hence the normal force is zero.