Paul works for a supermarket and is pushing a wooden box of supplies across the supermarket floor. If the coefficient of kinetic friction between the crate and the floor is 0.2 and the kinetic friction between the floor and the
crate is 18 newtons, what is the normal force acting on the crate?

Which of the following statements is true about women and minorities in early psychology? a. in the early 20th century, numerous graduate schools recruited women and minorities to study psychology. b. opportunities in higher education were limited for women and minorities in the early 20th century due to discrimination. c. despite some obstacles, there were numerous employment opportunities for women and minorities. d. women and minorities were often selected to do academic research in an effort to make the field more diverse.

There are weak or strong attractive forces between atoms of liquids with a high viscosity

What is the primary force that suspension bridges use cables to hold their spans up? a. tension force b. resistance force c. normal force d. elastic force e. applied force