Forces on an Object Sliding at 8.0 m/s

In summary, the force of friction on an object sliding at 8.0 m/s is determined by multiplying the coefficient of friction by the normal force acting on the object. This force is affected by factors such as the type of surface, weight and speed of the object, as well as surface roughness and temperature. The force of friction acts in the opposite direction of the object's motion, causing it to slow down until it eventually stops. There is a limit to the force of friction, known as maximum static friction, which can be reduced by decreasing the weight of the object, using a smoother surface, or applying a lubricant. However, some amount of friction is necessary to prevent slipping or sliding.
  • #1
jacob friedman
1
0

Homework Statement


An object slides across a table at a constant 8.0 m/s to the right. The net force is...
A) zero
B) equal to the weight
C) equal to the mass times the velocity
D equal to the friction force

Homework Equations



N/A

3. The Attempt at a Solution


Bu narrowing it down i don't think it is a.
 
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  • #2
If you can tell us the logic involved in your "narrowing down" process we can verify and discuss your work. Otherwise we can't simply verify why might be a guess :smile:
 

1. How is the force of friction determined for an object sliding at 8.0 m/s?

The force of friction on an object sliding at 8.0 m/s can be determined by multiplying the coefficient of friction (μ) by the normal force (N) acting on the object. The normal force is equal to the weight of the object, which is determined by its mass and the acceleration due to gravity.

2. What factors affect the force of friction on an object sliding at 8.0 m/s?

The force of friction on an object sliding at 8.0 m/s is affected by the type of surface the object is sliding on, the weight of the object, and the speed at which the object is moving. Additionally, the roughness of the surface and the temperature can also impact the force of friction.

3. How does the force of friction on an object sliding at 8.0 m/s affect its motion?

The force of friction acts in the opposite direction of the object's motion, causing it to slow down. As the object's speed decreases, the force of friction also decreases until the object comes to a stop. This is known as kinetic friction, and it is responsible for slowing down moving objects.

4. Is there a limit to the force of friction on an object sliding at 8.0 m/s?

Yes, there is a limit to the force of friction on an object sliding at 8.0 m/s. This limit is known as the maximum static friction, and it is the maximum amount of friction that can be exerted on an object before it begins to move. Once the object starts moving, the force of friction decreases and becomes kinetic friction.

5. Can the force of friction on an object sliding at 8.0 m/s be reduced?

Yes, the force of friction on an object sliding at 8.0 m/s can be reduced by decreasing the weight of the object, using a smoother surface, or by applying a lubricant. Additionally, reducing the speed of the object can also decrease the force of friction. However, it is important to note that some amount of friction is necessary for objects to move and to prevent slipping or sliding.

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