A background check is required of all applicants for the above licenses or. certificates. The following is required prior to going to Greeley/Weld Criminal. Justice Records Section, 1551 N. 17th Avenue, Greeley, CO for the background. check.
Friction is a force that acts against a moving object to slow it down. A type of friction is air resistance. Friction opposes the direction in which the object is moving, causing the object to decrease in speed, or stop all together.
Figure 4 Static Friction. The middle image in Figure 4 shows that the force of static friction is equal in magnitude but opposite in direction to the force applied. So, the forces on the object shown are balanced, and the motion of the object does not change.