A tractor is pulling a sled with a load on it a distance of 50m. The tractor exerts a constant pulling force 10KN at angle of 45 degree above the horizontal. A 3kJ work due to the friction force opposes the sled's motion (friction force is 0.15 of the value of the normal force). What is the total weight of the sled and the load on it if you know that the total work equals to 20KJ?

A tractor is pulling a sled with a load on it a distance of 50m. The tractor exerts a constant pulling force 10KN at angle of 45 degree above the horizontal. A 3kJ work due to the friction force opposes the sled's motion (friction force is 0.15 of the value of the normal force). What is the total weight of the sled and the load on it if you know that the total work equals to 20KJ?

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Forming and Shaping

Metal forming is a category of metalworking process through which the material can be given the desired shape and size by subjecting it to plastic deformation, where the component undergoes bulk deformation process upon application of loads. Unlike the shearing and machining process, the material does not undergo up to a failure point as indicated in the stress-strain curve. Hence, the stresses induced during the forming process are greater than yield strength but less than the failure strength of the material. The process does not lead to the loss of material, so it can be said to be an economical process. During forming, the material is subjected to tensile forces, compressive forces, bending, and shearing loading conditions. The material should possess the property of ductility to undergo the forming process.

Question

A tractor is pulling a sled with a load on it a distance of 50m. The tractor exerts a constant pulling force 10KN
at angle of 45 degree above the horizontal. A 3kJ work due to the friction force opposes the sled's motion
(friction force is 0.15 of the value of the normal force). What is the total weight of the sled and the load on
it if you know that the total work equals to 20KJ?

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