What is weightlessness? Md. Saifur Rahman When a body falls freely under the gravitational force and except this force, no other force works on the body, then it feels that it has completely lost its weight. This phenomenon is called weightlessness. You may likeDo I need car insurance?What is car insurance?How could I get cheaper car insurance?What is auto insurance?Why Adulterant food is the barrier to sound health?What are the producers?What are food preservatives?What is food chain?What is tertiary consumer?