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$\cdot$ A fisherman reels in 12.0 $\mathrm{m}$ of line while landing a fish,using a constant forward pull of 25.0 $\mathrm{N}$ . How much work doesthe tension in the line do on the fish?

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$w=300 \mathrm{~J}$

Physics 101 Mechanics

Chapter 7

Work and Energ

Physics Basics

Applying Newton's Laws

Kinetic Energy

Potential Energy

Energy Conservation

Cornell University

Simon Fraser University

Hope College

University of Winnipeg

Lectures

03:47

In physics, the kinetic energy of an object is the energy which it possesses due to its motion. It is defined as the work needed to accelerate a body of a given mass from rest to its stated velocity. Having gained this energy during its acceleration, the body maintains this kinetic energy unless its speed changes. The same amount of work is done by the body in decelerating from its current speed to a state of rest. The kinetic energy of a rotating object is the sum of the kinetic energies of the object's parts.

04:05

In physics, a conservative force is a force that is path-independent, meaning that the total work done along any path in the field is the same. In other words, the work is independent of the path taken. The only force considered in classical physics to be conservative is gravitation.

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(II) A fisherman yanks a f…

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$\cdot$ A boat with a hori…

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A fisherman yanks a fish v…

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A fisherman is fishing fro…

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An angler hangs a $4.50-\m…

01:27

Now we are going to solve question number 1. In this question, a fisherman tries to pull a fish by reeling. The length f is equal to equal to 12 meters. The constant pull with the fisherman is f equals 25 newtons. We have to calculate the work. We know that work is given as force into displacement the substituting the values force into displacement. This will give us 300 joules. This is the requirehe fishermen to pull that.

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