Advanced Placement (AP) High School

Which of the following describes how net work is determined?


The difference in the initial and final forces applied


The net force on an object applied for a brief second


The initial force applied to an object over a distance


The net force on an object applied over a distance

Answers

Answer 1

Answer:

Last choice: The net force on an object applied over a distance

Explanation:

When several forces act act over an object, the vectorial force is call net force.

Every force can do work, as the work  () is the product of the force  () and the parallel displacement (D) caused by such force.

When several works are done on a object the net work is the sum of all the works done by the forces acting on the object.

Such net work is equivalent to a work done by the net force over the net parallel displacement, which is the distance from the starting point and the ending point.

Hence,  the net work can be determined as "The net force on an object applied over a distance", which is the last statement.

Related Questions

What is an End User License Agreement (EULA) an example of?

Answers

An End User License Agreement (EULA) is a set of rules or a contract you agree to when using software or apps. It's like an agreement between you and the creators of the software, outlining how you can use it and what you're allowed to do.

What is an End User License Agreement (EULA) an example of?

An End User License Agreement (EULA) is like a set of rules or a contract that you agree to when you use certain software or apps. It's a bit like the rules you might have at home or in school, but for computer programs. When you want to play a game or use a special program on your computer or phone, the EULA is like the agreement between you (the user) and the people who made the software.

In simpler terms, it's like saying, "Hey, I want to use your cool game or app, and I promise to follow these rules you've set." The rules might include things like not sharing the software with others or not trying to mess with how it works.

The trade winds are winds that blow toward the Equator. Which of these is the main cause of the trade winds? A. the Earth's rotation on its axis B. differences in air pressure C. seasonal changes in temperature D. global ocean currents

Answers

Answer: A. The rotation of the earth on it's axis.

Explanation:

The rotation of the Earth on its axis deflects the atmosphere toward the right in the Northern Hemisphere and toward the left in the Southern Hemisphere, resulting in curved paths. The deflection of the atmosphere sets up the complex global wind patterns which drive surface ocean currents. This deflection is called the Coriolis effect. It is named after the French mathematician Gaspard Gustave de Coriolis (1792-1843), who studied the transfer of energy in rotating systems like waterwheels. (Ross, 1995).

Answer:

B.  differences in air pressure

Explanation:

I did A and got it wrong

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