The coefficient of friction is a number that represents the force of friction between two surfaces. The coefficient of friction depends on the materials of the two surfaces. The coefficient of friction between the block and the plane is 0.5.

## Other related questions:

### Q: What is the coefficient of friction between the plane and the block?

A: The coefficient of friction is a number that represents the amount of force required to move an object along a surface. It is typically given as a percentage or a decimal value. The coefficient of friction between the plane and the block is 0.5.

### Q: What is the coefficient of static friction on the block?

A: The coefficient of static friction is the ratio of the force required to keep an object stationary to the normal force between the object and the surface.

### Q: What is the coefficient of friction between the block and the incline?

A: The coefficient of friction between the block and the incline is 0.3.