Ways to find force normal in relation to force of friction

Thread starter Pippi86
Start date Feb 5, 2004
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Force Force of friction Friction Normal Relation

In summary, the formula for calculating force normal in relation to force of friction is F_N = m x g, where m is the mass of the object and g is the acceleration due to gravity. The coefficient of friction can be determined by conducting experiments and is calculated by dividing the force of friction by the force normal. The force of friction can never be greater than the force normal and is directly proportional to it. The angle of inclination can affect the force normal and force of friction by changing the weight and normal force components. There is a limit to the force of friction, known as the maximum static friction, which is the coefficient of static friction multiplied by the force normal. Once this limit is reached, the object will start to move.

Feb 5, 2004

Pippi86

Please tell me some ways to find force normal in relation to force of friction.

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Feb 6, 2004

Integral

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Science Advisor

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The Normal Force is the force perpendicular toa plane.

Feb 6, 2004

kishtik

Friction is because normal force. If normal force is [itex]mg cos \alpha[/itex], then friction force is [itex]\mu mg cos\alpha[/itex].

1. What is the formula for calculating force normal in relation to force of friction?

The formula for calculating force normal is F_N = m x g, where m is the mass of the object and g is the acceleration due to gravity. The force of friction is equal to μ x F_N, where μ is the coefficient of friction.

2. How do you determine the coefficient of friction for a given surface?

The coefficient of friction can be determined by conducting experiments where the force of friction is measured for different masses and surfaces. The coefficient of friction is then calculated by dividing the force of friction by the force normal.

3. Can the force of friction be greater than the force normal?

No, the force of friction can never be greater than the force normal. The force of friction is directly proportional to the force normal, so it can only be equal to or less than the force normal.

4. How does the angle of inclination affect the force normal and force of friction?

The angle of inclination can affect the force normal and force of friction by changing the weight and normal force components in the equation. The steeper the angle, the greater the force normal and force of friction.

5. Is there a limit to the force of friction?

Yes, there is a limit to the force of friction. This limit is known as the maximum static friction or the coefficient of static friction multiplied by the force normal. Once the force of friction reaches this limit, the object will start to move.