1. The linear momentum of a system of particles is always conserved.
Ans. False.
In the absence of an external force, the linear momentum of a system of particles is always conserved.
2. Apparent weight of a person is always equal to his actual weight.
Ans. False.
Apparent weight of a person is not equal to his actual weight.
3. Weight of a body is greater at the equator and less at the polar region.
Ans. False.
Weight of a body is greater at the polar region and less at the equator.
4. Turning a nut with a spanner having a short handle is so easy than one with a long handle.
Ans. False.
Turning a nut with a spanner having a long handle is so easy than one with a short handle.
5. There is no gravity in the orbiting space station around the Earth. So the astronauts feel weightlessness.
Ans. False.
Astronauts are falling freely around the Earth due to their huge orbital velocity.