A book is sitting in a desk. which direction does the normal force point?

i believe it is b. what was the cause of the big bang

hope this !

the motion of a pendulum is a classic example of mechanical energy conservation. a pendulum consists of a mass (known as a bob ) attached by a string to a pivot point. as the pendulum moves it sweeps out a circular arc, moving back and forth in a periodic fashion.

high-sugar diet and high cholesterol