Math Problem Statement

When a block is sliding down an inclined plane, the force of friction is also referred to as the __________ force.

Solution

The question asks: "When a block is sliding down an inclined plane, the force of friction is also referred to as the __________ force."

In the context of a block sliding down an inclined plane, the force of friction opposes the motion of the block. This frictional force acts parallel to the surface of the incline, as it resists the block's sliding motion.

The correct answer is B. parallel.

Would you like a detailed explanation on this concept, or do you have any questions?

Here are five related questions you might find helpful:

  1. What is the role of the normal force in an inclined plane problem?
  2. How is the frictional force calculated on an inclined plane?
  3. What is the difference between static and kinetic friction?
  4. How does the angle of the incline affect the frictional force?
  5. What other forces act on a block sliding down an inclined plane?

Tip: The frictional force on an inclined plane is proportional to the normal force, which changes depending on the angle of the incline.

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Math Problem Analysis

Mathematical Concepts

Physics
Inclined Planes
Forces
Friction

Formulas

Frictional force = μ * normal force
Normal force = mg * cos(θ)

Theorems

Newton's Laws of Motion
Law of Friction

Suitable Grade Level

Grades 9-11