Kinetic Friction Tutorial

Kinetic Friction Tutorial

Kinetic Friction:

Kinetic friction is the force between two objects that are moving relative to each other. Friction between solid objects is often referred to as dry friction or sliding friction and between a solid and a gas or liquid as fluid friction. Both of these types of friction are called kinetic friction.

Kinetic Friction Formula :
Kinetic Friction:
Kinetic Friction Coefficient:
Normal Force:
where,

μk = Kinetic Friction Coefficient, N = Normal Force.

Kinetic Friction Example:

Case 1:

A steel box is lying on a ground with a coefficient of kinetic friction of 0.55. It is pushed with the force of 100N? N = 100N, μk = 0.55

Step 1:

Substitute the values in the below kinetic friction formula:

This example will guide you to calculate the kinetic friction manually.

Case 2:

A truck is travelling at a contant speed up a hill with a normal force of 1360N. The Force of the Kinetic friction acting on the truck is 266N. What is the coefficient of kinetic friction between the truck and the road? N = 1360N, Fk = 266N

Step 1:

Substitute the values in the below Kinetic Friction Coefficient formula:

This example will guide you to calculate the Kinetic Friction Coefficient manually.

This tutorial will help you dynamically to find the Kinetic Friction problems.

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