1.

State whether the following statements are true or false correct the statement if it is false.1. The linear momentum of a system of particles is always conserved. 2. Apparent weight of a person is always equal to his actual weight. 3. Weight of a body is greater at the equator and less at the polar region. 4. Turning a nut with a spanner having a short handle is so easy than one with a long handle. 5. There is no gravity in the orbiting space station around the Earth. So the astronauts feel weightlessness.

Answer»

1. True 

2. False – Apparent weight of a person is not always equal to his actual weight. 

3. False – Weight of a body is minimum at the equator. It is maximum at the poles. 

4. False – Turning a nut with a spanner having a longer handle is so easy than one with a short handle. 

5. False – Astronauts are falling freely around the earth due to their huge orbital velocity.



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