Friction force on an inclined plane

In summary, the task is to determine the normal force and friction force on a 60-N block resting on a 35 degree inclined plane. To do this, a free body diagram should be drawn and basic trigonometry principles used to calculate the relevant components of force.
  • #1
husker11
1
0

Homework Statement


A 60-N block rests on a 35 degree inclined plane. Determine the normal force and find the friction force that keeps the block from sliding.


Homework Equations





The Attempt at a Solution



Drew the free body diagram with each vector, not sure how to figure the normal force
 
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  • #2
Hi husker11, welcome to PF.

Show your free body diagram, please, we can not help without seeing it. You can draw in Paint, and save it in jpg format. You can upload the picture if you click on "Go Advanced" and then "Manage Attachments".

ehild
 
  • #3
Your freebody diagram should show a force vector due to gravity.

Use what you know about triangles to work out what other angles on the diagram are also 35 degrees, 90 degrees or 90-35 degrees.

Then use basic trig functions (eg Cos, Sin, Tan) to calculate the components acting normal to the plane and/or down the plane.
 

What is the definition of friction force on an inclined plane?

The friction force on an inclined plane is the resistance force that opposes the motion of an object sliding or rolling down an inclined surface. It is caused by the interaction between the object and the surface it is moving on.

How is friction force on an inclined plane calculated?

Friction force on an inclined plane can be calculated using the formula F = μN, where F is the friction force, μ is the coefficient of friction, and N is the normal force exerted on the object by the inclined plane.

What factors affect the magnitude of friction force on an inclined plane?

The magnitude of friction force on an inclined plane is affected by the coefficient of friction, the normal force, and the angle of inclination. The roughness of the surface and the speed of the object can also impact the friction force.

How does the angle of inclination affect friction force on an inclined plane?

The angle of inclination has a significant effect on friction force on an inclined plane. As the angle increases, the normal force decreases, resulting in a decrease in friction force. This is because the component of the weight of the object acting parallel to the inclined plane decreases with a larger angle.

How does friction force on an inclined plane affect the motion of an object?

Friction force on an inclined plane acts in the opposite direction of the motion of the object. It slows down the object's motion and can eventually bring it to a stop. If the friction force is greater than the force of gravity, the object will not move at all.

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