A man pushes with a force of 150 N on a bookcase with a weight of 100kg. The coefficient of static friction between the bookcase and the floor is 0.65. Because of friction, the bookcase does not move. What is the force of friction on the bookcase?

How many meters will a car travel if its speed is 45 m/s in an interval of 11 seconds? question 2 options: a) 450 meters b) 495 meters c) 4.09 meters d) 498 meters

During cooling, the kinetic energy of the molecules falls. why does this happen? a.the motion of the molecules increases. b. the motion of the molecules slows down. c.the van der waals forces between molecules decrease d. the forces of attraction between the molecules are overcome.

What is the technical name for super glue type adhesives?