Table of Contents
- 1 What is the coefficient of kinetic friction between the block and the surface?
- 2 What is the coefficient of kinetic friction between the block and the plane?
- 3 What is the coefficient of static friction between the two blocks?
- 4 How do you find the coefficient of kinetic friction on a horizontal surface?
- 5 How do you find the friction of a block?
- 6 What is the coefficient of friction between the object and the surface?
- 7 What is the magnitude of the force of friction between A and B?
- 8 What is the formula for the coefficient of static friction?
What is the coefficient of kinetic friction between the block and the surface?
The coefficient of friction for surfaces between block and plank is 0.5, whereas friction between plank and underneath surface is negligible.
What is the coefficient of kinetic friction between the block and the plane?
0
between the block and inclined plane is 0.
What is the coefficient of kinetic friction between the lower block and the horizontal table?
The coefficient of kinetic friction between the lower block and the table is 0.695, and the coefficient of static friction between the two blocks is 0.873. A horizontal force is applied to the lower block as shown. This force is increasing in such a way as to keep the blocks moving at a constant speed.
What is the coefficient of kinetic friction between the block and the incline?
The coefficient of kinetic friction between block and incline is uk = 0.14.
What is the coefficient of static friction between the two blocks?
The coefficient of static friction is 0.60 between the two blocks in figure.
How do you find the coefficient of kinetic friction on a horizontal surface?
The coefficient of friction is defined as the ratio of friction force to the normal force, μ = F /N . Consider the following two cases: One measures the force of static friction and the other the force of kinetic friction. At constant velocity to the Right, we must have F = Fk .
What is the kinetic friction force acting on the block?
As P is continually increased, the block will now slip, with the friction force acting on the block being: f = muK*N, where muK is the coefficient of kinetic friction, with f remaining constant thereafter as P is increased.
How do you find the coefficient of kinetic friction on an inclined plane?
An object slides down an inclined plane at a constant velocity if the net force on the object is zero. We can use this fact to measure the coefficient of kinetic friction between two objects. As shown in Example 6.5. 1, the kinetic friction on a slope is fk = μk mg cos θ.
How do you find the friction of a block?
How to find force of friction
- Choose the normal force acting between the object and the ground. Let’s assume a normal force of 250 N .
- Determine the friction coefficient.
- Multiply these values by each other: (250 N) * 0.13 = 32.5 N .
- You just found the force of friction!
What is the coefficient of friction between the object and the surface?
The Coefficient of Kinetic Friction
| Case | μ (Given) (Accepted) | M (grams) |
|---|---|---|
| 3 | 0.19 | 300 |
| 400 | ||
| 4 | 0.24 | 100 |
| 200 |
What is the coefficient of kinetic friction on a 50kg block?
A block of mass m=50kg moves on a rough horizontal surface with a coefficient of kinetic friction mu=0.5. The traveled distance is 20m. How much work is done by the friction force?
What is the magnitude of the force acting on the block?
A block is pushed across a rough horizontal surface from point A to point B by a force (magnitude P = 5.4 N) as shown in the figure. The magnitude of the force of friction acting on the block between A and B is 1.6 N and points A and B are 0.5 m apart.
What is the magnitude of the force of friction between A and B?
The magnitude of the force of friction acting on the block between A and B is 1.6 N and points A and B are 0.5 m apart. If the kinetic energies of the block at A and B are 4.0 J and 5.6 J, respectively, how much work is done on the block by the force P between A and B?
What is the formula for the coefficient of static friction?
Here, F = F s Fs = Force of static friction, μs = coefficient of static friction, N = Normal force or the force perpendicular to the contacting surfaces. The force of friction acts against the direction of motion. Note that Fk < Fs and consequently, μk < μs .