When a book is resting on a level table and you are not pushing on it, is there a frictional force between the book and table?

1) Earth's. is currently tilted to about 23.5 degrees

In a "minute to win it" game, cards are placed between cups to stack them. The contestant then pulls the card out in hopes that they will end with a set of stacked cups. Why does this work? There is no friction between the card and the cup.

Colonist who belived in complete

List at least three pieces of evidence to support the idea that sound is a wave.

On earth, 1 kg = 9.8 = 2.2 lbs. On the moon, 1 kg = 1.6 n = 0.37 lbs.

g The magnetic force on a charged particle A. depends on the sign of the charge on the particle. B. depends on the velocity of the particle. C. depends on the magnetic field at the particle's instantaneous position. D.

How fast must a 1000 kg car be moving to have a kinetic energy of 1.0 kWh

Which of the following is used to measure weight? Newtons Liters Kilograms Meters

Intravenous infusions are often made under gravity. At what height should the bottle be placed so the liquid pressure is 700 mm-H2O?

What conditions are required for nuclear fusion that prevent it from being used to generate electric energy?