A tugboat with a displacement¹ of 50 tonnes and resistance² of 750 kN is towing a 75-tonne barge with resistance of 1000 kN. The tugboat has a propeller generates thrust³ of 7 to move it forward, while the barge is non-propelled. Determine the thrust and the force exerted by the rope on the tugboat, given that it takes 35 seconds for the tugboat to uniformly increase its speed to 13.5 knots4. es: 1. The displacement or displacement tonnage of a ship is its weight. It refers to the weight or mass of water that a ship displaces when it is floating in water. 2. Ship resistance, also known as hydrodynamic resistance, refers to the force that opposes the motion of a ship or vessel as it moves through water. 3. The thrust of a propeller refers to the force generated by a rotating propeller that propels a vessel through water. Knot is a unit of speed used to measure the speed of a vessel. One knot is equal to 0.5144 m/s. 4.

A tugboat with a displacement¹ of 50 tonnes and resistance² of 750 kN is towing a 75-tonne barge with resistance of 1000 kN. The tugboat has a propeller generates thrust³ of 7 to move it forward, while the barge is non-propelled. Determine the thrust and the force exerted by the rope on the tugboat, given that it takes 35 seconds for the tugboat to uniformly increase its speed to 13.5 knots4. es: 1. The displacement or displacement tonnage of a ship is its weight. It refers to the weight or mass of water that a ship displaces when it is floating in water. 2. Ship resistance, also known as hydrodynamic resistance, refers to the force that opposes the motion of a ship or vessel as it moves through water. 3. The thrust of a propeller refers to the force generated by a rotating propeller that propels a vessel through water. Knot is a unit of speed used to measure the speed of a vessel. One knot is equal to 0.5144 m/s. 4.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Section: Chapter Questions

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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 tugboat with a displacement¹ of 50 tonnes and resistance² of 750 kN is towing a 75-tonne barge
with resistance of 1000 kN. The tugboat has a propeller generates thrust³ of 7 to move it forward,
while the barge is non-propelled. Determine the thrust and the force exerted by the rope on the
tugboat, given that it takes 35 seconds for the tugboat to uniformly increase its speed to 13.5
knots4.
ces:
1. The displacement or displacement tonnage of a ship is its weight. It refers to the weight or
mass of water that a ship displaces when it is floating in water.
2.
Ship resistance, also known as hydrodynamic resistance, refers to the force that opposes the
motion of a ship or vessel as it moves through water.
3.
The thrust of a propeller refers to the force generated by a rotating propeller that propels a
vessel through water.
4. Knot is a unit of speed used to measure the speed of a vessel. One knot is equal to 0.5144 m/s.
2:
OO
TT

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