Forces and Friction Flashcard

Front

What is friction?

Back

Friction is a force that opposes the motion of an object when it comes into contact with another surface.

Front

What are the four main types of friction?

Back

The four main types of friction are static friction, sliding friction, rolling friction, and fluid friction.

Front

What is static friction?

Back

Static friction is the force that keeps an object at rest and prevents it from starting to move.

Front

What is sliding friction?

Back

Sliding friction is the force that opposes the motion of an object as it slides over a surface.

Front

What is rolling friction?

Back

Rolling friction is the force that opposes the motion of an object that rolls over a surface.

Front

What is fluid friction?

Back

Fluid friction is the resistance encountered by an object moving through a fluid (liquid or gas).

Front

What unit is force measured in?

Back

Force is measured in Newtons (N).

Front

How can friction be reduced?

Back

Friction can be reduced by making surfaces smoother, using lubricants, or changing from sliding to rolling friction.

Front

What is the net force?

Back

Net force is the total force acting on an object, taking into account all the individual forces acting on it.

Front

What happens when forces are balanced?

Back

When forces are balanced, the net force is zero, and the object remains at rest or continues to move at a constant velocity.