Calculating the Work Done by the Eagle

Oct 13, 2025 by miodeya.com 88 views

Introduction

Work is a fundamental concept in physics that describes the transfer of energy from one object to another through a force applied over a distance. In this article, we will explore the concept of work and how it applies to a real-world scenario involving an eagle carrying a fish up into the sky. We will use the formula W = Fd, where W is the work done, F is the force applied, and d is the distance over which the force is applied.

Understanding the Formula: W = Fd

The formula W = Fd is a simple yet powerful tool for calculating the work done by a force. The work done is equal to the product of the force applied and the distance over which the force is applied. This means that if the force applied is constant, the work done is directly proportional to the distance over which the force is applied.

Calculating the Work Done by the Eagle

In the given scenario, the eagle is carrying a fish up 50 m into the sky using a force of 90 N. To calculate the work done by the eagle, we can use the formula W = Fd. Plugging in the values given, we get:

W = Fd = 90 N x 50 m = 4500 J

Analyzing the Results

The calculation above shows that the work done by the eagle is 4500 J. This means that the eagle has transferred 4500 J of energy to the fish as it carries it up into the sky. This energy is in the form of kinetic energy, which is the energy of motion.

Comparing the Results with the Options

Now that we have calculated the work done by the eagle, let's compare our result with the options given:

A. 40 J B. 59 J C. 140 J D. 4500 J

Our calculation shows that the correct answer is D. 4500 J.

Conclusion

In conclusion, the work done by the eagle carrying a fish up 50 m into the sky using 90 N of force is 4500 J. This calculation demonstrates the application of the formula W = Fd in a real-world scenario. By understanding the concept of work and how it applies to different situations, we can gain a deeper appreciation for the physics behind everyday events.

Key Takeaways

Work is a measure of the transfer of energy from one object to another through a force applied over a distance.
The formula W = Fd is a simple yet powerful tool for calculating the work done by a force.
The work done is equal to the product of the force applied and the distance over which the force is applied.
In the given scenario, the work done by the eagle is 4500 J.

Introduction

In our previous article, we explored the concept of work and how it applies to a real-world scenario involving an eagle carrying a fish up into the sky. We calculated the work done by the eagle using the formula W = Fd and found that the work done is 4500 J. In this article, we will answer some frequently asked questions related to the topic.

Q: What is work in physics?

A: Work is a measure of the transfer of energy from one object to another through a force applied over a distance. It is a scalar quantity, meaning it has only magnitude and no direction.

Q: What is the formula for work?

A: The formula for work is W = Fd, where W is the work done, F is the force applied, and d is the distance over which the force is applied.

Q: What is the unit of work?

A: The unit of work is the joule (J). One joule is equal to one newton-meter (N·m).

Q: Can work be negative?

A: Yes, work can be negative. This occurs when the force applied is opposite to the direction of motion, resulting in a decrease in energy.

Q: What is the difference between work and energy?

A: Work is the transfer of energy from one object to another through a force applied over a distance, while energy is the ability to do work. Energy can take many forms, including kinetic energy, potential energy, and thermal energy.

Q: Can work be done without a force?

A: No, work cannot be done without a force. A force is required to transfer energy from one object to another.

Q: Can work be done without a distance?

A: No, work cannot be done without a distance. A distance is required for the force to be applied over.

Q: What is the relationship between work and power?

A: Power is the rate at which work is done. It is calculated as P = W/t, where P is the power, W is the work done, and t is the time over which the work is done.

Q: Can work be done by a non-moving object?

A: Yes, work can be done by a non-moving object. This occurs when the object is subject to a force that causes it to change its configuration or position.

Conclusion

In conclusion, work is a fundamental concept in physics that describes the transfer of energy from one object to another through a force applied over a distance. We have answered some frequently asked questions related to the topic and hope that this article has provided a better understanding of the concept of work.

Key Takeaways

Work is a measure of the transfer of energy from one object to another through a force applied over a distance.
The formula for work is W = Fd, where W is the work done, F is the force applied, and d is the distance over which the force is applied.
Work can be negative, and it can be done without a force or a distance.
Power is the rate at which work is done, and it is calculated as P = W/t.