What is gravity and why is it important to man

Abar magnet cut in half will form a total ofpoles.a)fourb)eightc)two

Apersons beliefs and general outlook, which act like filters on the information they receive are called ?

The astronauts on the space shuttle flights experienced an acceleration of 29 m/s2 (about 3 "g's") during lift-off. what upward force must the astronaut's seat apply to the astronaut in order to cause this acceleration? assume the astronaut's mass is 70 kg, and compute this force when the acceleration is near the earth's surface so their weight equals latex: mg m g .