Question

which type of friction prevents an object from moving?
o fluid friction
o science friction
o kinetic friction
o static friction
1 pts
question 4
what happens to friction when two objects are pressed together with more force?
friction is reduced
friction is removed
there is no effect on friction
friction increases

Explanation:

Static friction acts on an object at rest to prevent it from moving. The friction force between two surfaces is directly proportional to the normal force pressing them together. So when the normal force (force pressing objects together) increases, friction increases.

Answer:

1. D. Static friction
2. D. friction increases