# Coefficient of Friction at an Angle Calculator, Formula, Coefficient of Friction at an Angle Calculation

## Coefficient of Friction at an Angle Calculator:

Enter the values of standard coefficient, C and sine of angle, a to determine the value of Coefficient of friction at an angle, Ca.

 Enter Standard Coefficient: Enter Angle in Degrees: Result – Coefficient of Friction at an Angle.:

## Coefficient of Friction at an Angle Formula:

The coefficient of friction at an angle (Ca) describes the adjusted value of the coefficient of friction when considering forces acting at an angle to the normal horizontal or vertical surfaces.

This concept is vital in scenarios where objects are on inclined planes or forces are applied at an angle, impacting the typical frictional forces experienced.

Coefficient of friction at an angle, Ca is equal to the product of standard coefficient, C and sine of angle, a in degrees.

Coefficient of friction at an angle, Ca = C * sin(a)

Ca = coefficient of friction at an angle.

C = standard coefficient.

a = angle in degrees.

### Coefficient of Friction at an Angle Calculation:

1. Calculate the coefficient of friction at an angle for a box sliding down an inclined plane:

Given: C = 0.4, a = 30 degrees

Coefficient of friction at an angle, Ca = C * sin(a)

Ca = 0.4 * sin(30)

Ca = 0.4 * 0.5

Ca = 0.2.

1. Determine the standard coefficient of friction for a car on a hill:

Given: Ca = 0.2121, a = 45 degrees

Coefficient of friction at an angle, Ca = C * sin(a)

C = Ca / sin(a)

C = 0.2121 / sin(45)

C = 0.2121 / 0.707

C = 0.3.

### Applications and Considerations:

• Mechanical Engineering: This calculation aids in designing systems and structures that involve motion on inclined planes, ensuring safety and efficiency.
• Automotive Safety: Adjusting the coefficient of friction for angles helps in designing roadways and assessing vehicle capabilities on slopes.