0
What minimum horsepower must a motor have to be able to drag a 300 kg box along a level floor at a speed of 1.15 ms if the coefficient of friction is 0.50?
Wiki User
∙ 6y ago
To calculate the minimum horsepower required, first determine the force needed to overcome friction: F_friction = coefficient of friction * Normal force. Then calculate the force required to accelerate the box: F_acceleration = mass of the box * acceleration. Add these forces together to get the total force, and use this with the speed to calculate the power required in watts. Finally, convert the power to horsepower. The minimum horsepower required will be slightly more than this to account for inefficiencies in the system.
Add your answer:
Earn +20 pts
How do you find the normal force and force of friction of an object on a incline?
To find the normal force on an object on an incline, you can use the component of the object's weight perpendicular to the incline. The force of friction can be calculated using the coefficient of friction between the object and the incline, along with the normal force.
What does a coefficient of friction of 1.0 or greater mean?
A coefficient of friction of 1.0 or greater means that the force required to move an object along a surface is equal to or greater than the force pressing the object onto the surface. In practical terms, this indicates a high level of resistance to movement, requiring a significant amount of force to overcome the friction between the two surfaces.
What does 'co-efficient of friction' mean?
The co-efficient of friction is a measure of the amount of friction between two surfaces in contact. It represents the ratio of the force of friction between the two surfaces to the force pressing them together. A higher co-efficient of friction indicates a greater resistance to sliding.
What does track friction mean?
Track friction refers to the force that resists the motion of an object along a track or surface. It is caused by the contact between the object and the track, resulting in a loss of kinetic energy as heat. The coefficient of friction determines how much resistance is present between the two surfaces.
Can a prism slide?
Yes, a prism can slide along a surface because it has flat sides that can make contact with the surface. The movement may be influenced by factors such as the friction between the prism and the surface, as well as the angle at which it is placed on the surface.
A sled of mass 53.0 kg is pulled along flat snow-covered ground The static friction coefficient is 0.30 and the kinetic friction coefficient is 0.10 a What force will be needed to start the sled movin?
Ignore the kinetic friction coefficient, that is only in the problem to trick you. If the force pulling the sled is parallel to the ground, then the problem should be pretty easy. Acceleration due to gravity = 9.8 m/s^2
The coefficient of static friction along an inclined plane is equal to tan alpha. What about the coefficient of kinetic friction?
The coefficient of kinetic friction is independent of the angle of inclination and represents the resistance to motion between two surfaces in contact. It typically has a lower value than the coefficient of static friction.
How do you find the normal force and force of friction of an object on a incline?
To find the normal force on an object on an incline, you can use the component of the object's weight perpendicular to the incline. The force of friction can be calculated using the coefficient of friction between the object and the incline, along with the normal force.
What does a coefficient of friction of 1.0 or greater mean?
A coefficient of friction of 1.0 or greater means that the force required to move an object along a surface is equal to or greater than the force pressing the object onto the surface. In practical terms, this indicates a high level of resistance to movement, requiring a significant amount of force to overcome the friction between the two surfaces.
What does 'co-efficient of friction' mean?
The co-efficient of friction is a measure of the amount of friction between two surfaces in contact. It represents the ratio of the force of friction between the two surfaces to the force pressing them together. A higher co-efficient of friction indicates a greater resistance to sliding.
What does track friction mean?
Track friction refers to the force that resists the motion of an object along a track or surface. It is caused by the contact between the object and the track, resulting in a loss of kinetic energy as heat. The coefficient of friction determines how much resistance is present between the two surfaces.
Describe the factors that cause static friction between two surfaces to increase.?
A higher coefficient of static friction increases the static frictional force. A greater normal force also does this.
A sled of mass 50kg is pulled along snowcovered flat ground the static friction coefficient is 0.30 and the sliding friction coefficient is 0.10?
The maximum force of static friction acting on the sled is 147.15 N (50 kg x 9.81 m/s^2 x 0.30). Once the force exceeds this value, the sled will start moving. Once the sled is in motion, the force of sliding friction acting on it will be 49.05 N (50 kg x 9.81 m/s^2 x 0.10).
Can a prism slide?
Yes, a prism can slide along a surface because it has flat sides that can make contact with the surface. The movement may be influenced by factors such as the friction between the prism and the surface, as well as the angle at which it is placed on the surface.
Which requires more force lifting the object or pulling the abject along a surface and why?
Pulling it along a surface basically because you don't have to support the weight... In terms of physics lifting the object requires you to counteract the force of gravity while if you push it you just have to overcome friction which is the friction coefficient multiplied by the normal force (which in many cases is the force of gravity)... And since the coefficient is always less than one the force will in all cases be less by sliding it.
How much force will it take to push or pull the 400 grams aalong an inclined plane?
The force required to push or pull an object along an inclined plane depends on the angle of the incline and the coefficient of friction between the object and the surface. The force can be calculated using the formula: force = mass * gravitational acceleration * sin(angle of incline) + mass * gravitational acceleration * cos(angle of incline) * coefficient of friction.
What is the relationship between surface type and the amount of friction?
The magnitude of the force of friction is a function of the normal (perpendicular) force of the object and the surface properties of the two materials. It's a linear relationship; for example, if an object is sliding along a horizontal table with a weight of 2 lbs, then friction will double if an additional 2 lbs of force is added to the object.
