No idea how to find applied forced based on kinetic friction and acceleration.

In summary, to determine the applied force in a system involving kinetic friction and acceleration, you can use the formula F = ma, taking into account the coefficient of kinetic friction. The applied force is affected by factors such as the mass of the object, the coefficient of kinetic friction, and the acceleration, as well as other factors like surface roughness and air resistance. The coefficient of kinetic friction alone cannot determine the applied force, as you will also need to know the acceleration or have a way to measure it. A higher coefficient of kinetic friction means there is more resistance to motion, requiring a greater applied force to overcome it. Additionally, the applied force is different from the force of kinetic friction, as the former is the force being exerted on
  • #1
AmbitiousKid
1
0

Homework Statement


A 10.0kg box is accelerated from rest to 4.00 m/s in 1.00s. The force of kinetic friction on the box is 5.00N.
A) What is the size of the applied force?

B)What is the coefficient of sliding friction?


Homework Equations


The five kinematic equations?
μ = Ff/Fn
Fn= mg

The Attempt at a Solution


No idea.
 
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  • #2
You start by drawing a diagram of the forces acting on the box, and then use Newton's second law.
 

1. How can I determine the applied force based on kinetic friction and acceleration?

To find the applied force, you can use the formula F = ma, where F is the applied force, m is the mass of the object, and a is the acceleration. You will also need to take into account the coefficient of kinetic friction, which can be found in a reference table or experimentally determined.

2. What factors affect the applied force in a system involving kinetic friction and acceleration?

The applied force is affected by the mass of the object, the coefficient of kinetic friction, and the acceleration. Other factors such as surface roughness and air resistance may also play a role.

3. Can I calculate the applied force if I only know the coefficient of kinetic friction?

No, you will also need to know the acceleration or have a way to measure it. The coefficient of kinetic friction alone cannot determine the applied force.

4. How does the coefficient of kinetic friction affect the applied force?

The coefficient of kinetic friction is a measure of the frictional force between two surfaces in motion. A higher coefficient of kinetic friction means there is more resistance to motion, so a greater applied force is needed to overcome it.

5. Is there a difference between the applied force and the force of kinetic friction?

Yes, the applied force is the force being exerted on the object, while the force of kinetic friction is the force resisting the motion of the object. The applied force must be greater than the force of kinetic friction in order for the object to move.

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