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What is the formula for calculating the frictional force?

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Question: What is the formula for calculating the frictional force?

Options:

  1. F_friction = μN
  2. F_friction = m*a
  3. F_friction = N/g
  4. F_friction = v/t

Correct Answer: F_friction = μN

Solution: 

The frictional force is calculated using the formula F_friction = μN, where μ is the coefficient of friction and N is the normal force.

What is the formula for calculating the frictional force?

Practice Questions

Q1
What is the formula for calculating the frictional force?
  1. F_friction = μN
  2. F_friction = m*a
  3. F_friction = N/g
  4. F_friction = v/t

Questions & Step-by-Step Solutions

What is the formula for calculating the frictional force?
Correct Answer: F_friction = μN
  • Step 1: Understand that frictional force is the force that opposes motion between two surfaces.
  • Step 2: Identify the coefficient of friction (μ), which is a number that represents how much friction there is between the two surfaces.
  • Step 3: Determine the normal force (N), which is the force perpendicular to the surfaces in contact. This is usually the weight of the object if it's on a flat surface.
  • Step 4: Use the formula F_friction = μN to calculate the frictional force. Multiply the coefficient of friction (μ) by the normal force (N).
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