Molecules are bonded together in which of the following states of matter?

When a book falls from a shelf to the ground without anyone pushing on it, no work is done on the book. true or false

When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.

This is important. 1. which of the following is an si base unit for measuring length? (2 points) inch gram meter mole 2. which of the following units for distance is an si unit? (2 points) centimeter foot inch yard 3. which of the following tools should a scientist use to measure an object in meters? (2 points) electronic balance pan balance tape measure thermometer