How do you move the decimal from megameters to meters?

When an object moves in uniform circular motion, the direction of its acceleration is a) in the same direction as its velocity vector. b) in the opposite direction of its velocity vector c) is directed toward the center of its circular path. d) is directed away from the center of its circular path. e) depends on the speed of the object.

In a load, the load is paralel to the shaft. n a. angular n b. thrust n c radial n d. none of the above

Why do astronauts in the space shuttle weigh less?